To find out how many neutrons there are in the nucleus of an atom, you

subtract the atomic number from the atomic massnumber.

· the up and down columns of the periodic table

Which properties most accurately describe the element silicon (Si)?

Weak conductor of electricity, solid at room temperature

Helium has an atomic number of 2. What does the atomic number tell you?

The number of protons in a helium atom

Which of these is a true statement about elements in a period?

Atomic numbers increase by 1 left to right

How are elements in the periodic table organized?

Based on physical and chemical properties

Which of these statements are true about the electron cloud?

It is where the electrons are found

Why do elements in group 15 share similar chemical properties?

Their atoms have the same number of valence electrons

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Ch. 16 Test Physical Science Tolliver

82 termsStudBud Administration273 plays

Ch. 16 Test Physical Science Tolliver: Chemistry: Periodic Trends: This Quiz covers periodic trends and is based on #NGSS #HS-PS1-2. #Chemistry #grade9 #grade10 #grade11 #science #periodictrends Atoms and The Periodic Table: Atoms and the Periodic Table Test review Periodic T

Flashcards82 cardsFPractice quizPHost liveL

Questions 82

Answers

1
What is the number of valence electrons for K?
2
3
1
2
What is the symbol for the element with an atomic number of 10?
Ne
Cl
B
Pb
3
If an element has an atomic number of 3, then it has how many protons?
3
-6
-3
6
4
Valence electrons determine an atom's
mass
chemical properties
identity
period
5
Subatomic particle with negative charge
atom
electron
proton
neutron
6
What number on the periodic table tells the number of protons?
Valence Number
Atomic Mass
Atomic Number
Oxidation Number
7
Li, Na, K are examples of. . .
atomic mass
atomic symbol
element name
atomic number
8
To find out how many neutrons there are in the nucleus of an atom, you
add the electrons and protons
add the electrons, protons and neutrons
subtract the atomic number from the atomic massnumber.
subtract the nuetrons from the protons
9
The figure shown is a Bohr's Model of what atom?
Nitrogen
Chlorine
Sulfur
Bromine
10
Groups are
Rows 13 through 18
rows 1 through 8
· the up and down columns of the periodic table
The verticle rows
11
What is the smallest particle of the element oxygen that has the same properties as oxygen?
A proton in an oxygen atom
An electron in an oxygen atom
A molecule that contains oxygen
An atom of oxygen
12
Which group lists the parts of an atom from the mostmassive to the least massive?
Proton, nucleus, electron
Nucleus, proton, electron
Electron, proton, nucleus
Proton, electron, nucleus
13
Which properties most accurately describe the element silicon (Si)?
Weak conductor of electricity, solid at room temperature
Poor conductor, transparent
Ductile and malleable
Highly conductive, solid at room temperature
14
Most metals form
positive ions
neural ions
negative ions
15
Atoms of elements that are in the same group have the same number of
protons
valence electrons
neutrons
16
How many periods are there in the periodic table?
18
7
9
10
17
The first energy level (orbital) of an atom can hold how many electrons?
16
2
an unlimited amount
8
18
Electrons are located in this region of the atom.
electronic field
electron cloud
cytoplasm
nucleus
19
A small mass of positive charge was found in the center of the atom which prompted scientist to
change the structure the nucleus
change the model of the atom
decide that atoms do not exist
change the atomic theory
20
Where are metals located on the Periodic Table?
on stair-step line
left of stair-step line
right of stair-step line
21
Atoms are shown on the periodic table with a _____________ charge
depends on the atom
negative
positive
neutral
22
If an atom has 5 protons and 3 neutrons, how many electrons does it have?
2
3
8
5
23
Helium has an atomic number of 2. What does the atomic number tell you?
The period number of helium
The number of protons in a helium atom
The group number of helium
The average atomic mass
24
Which group of elements is un-reactive?
Alkaline-earth metals
Inner transition metals
Transition metals
Noble Gases
25
Which pair would best represent the size of a proton to that of an electron?
A volleyball to a basketball
A baseball to a tennis ball
A beach ball to a marble
A basketball to a soccer ball
26
When an atom loses an electron in its outer shell it becomes
an ion
an isotope
a metal
a covalant bond
27
Valence electrons are found by looking at what ________ the atom is in on the periodic table.
table
period
stair
group
28
These are gases at room temperature
metals
metalloids
nonmetals
elements
29
Elements that have characteristics of both metals and non metals are called
gases
solids
metalloids
liquids
30
Which pair of elements would have similar properties due to the position in the periodic table?
Lithium (Li), Beryllium (Be)
Calcium (Ca), Helium (He)
Copper (Cu), Gold (Au)
Aluminum (Al), Zinc (Zn)
31
How many neutrons does K have if its atomic number is 19 and atomic mass is 39?
19
20
58
39
32
Group 15 elements have 4 valence electrons.
False
True
33
Which of these is a true statement about elements in a period?
Atomic masses increase by one from top to bottom
Atomic numbers increase by 1 left to right
Atomic masses increase by 1 left to right
Atomic numbers increase by 1 from top to bottom
34
Phosphorus is in group 15 on the periodic table. What is its average atomic mass?
45.974
15
30.974
30
35
What is the name for a row on the periodic table?
Period
Section
Family
Group
36
What is the mass number of an atom that has 19 protons, 19 electrons, and 20 neutrons
1
20
19
39
37
What color circle(s) is/are in the electron cloud?
Red
White
Red and yellow
Yellow
38
The nucleus is made up of ______ and ______.
neutrons and protons
neutrons and electrons
electrons and protons
39
Atoms that gain or lose electrons are called
nonmetals
semiconductors
metals
ions
40
How are elements in the periodic table organized?
Alphabetically
Increasing number of electrons
Most reactive to least reactive
Based on physical and chemical properties
41
Which of these statements are true about the electron cloud?
It has the most mass in an atom
It is made up of protons and electrons
It is inside the nucleus
It is where the electrons are found
42
If an atom had an atomic number of 50 and a mass number of 80, how many neutrons are there?
130
80
30
50
43
The order of elements in the modern periodic table is based on
atomic mass
neutrons
electrons
protons
44
The __________ is the _______ energy shell of the atom.
valence shell, outer
valence shell, inner
valence shell, first energy level
valence shell, second energy level
45
Which of these particles is smallest?
Element
Proton
Molecule
Atom
46
Which category of elements includes some elements like nickel, iron, and copper?
Halogens
Inner transition metals
Transition metals
Noble gases
47
The process in which an unstable nucleus breaks down is ___________________.
half-life of radioactive element
radioactivity
radioisotope
radioactive decay
48
Why do elements in group 15 share similar chemical properties?
They all have the same atomic number
They are all nonmetals
Their atoms have the same number of valence electrons
They are found in the same period
49
How many valence electrons are in Te (52)
2
4
7
6
50
Poor conductors, gases at room temp., brittle, very reactive, and good insulators describe____.
properties of metals
properties of iron
properties of nonmetals
properties of metalloids
51
What type of atoms are circled below
mataloids
nonmetals
metals
nobel gasses
52
Which subatomic particle plays the greatest role in determining an atom’s chemical properties?
Neutron
Electron
Proton
53
What is the mass number of an atom with 8 protons, 8 electrons, and 10 neutrons?
16
10
18
8
54
Most elements on the periodic table are classified as __________.
Metalloids
Metals
Nonmetals
Gases
55
Which number on the periodic table tells the number of protons & neutrons?
Atomic Number
Oxidation Number
Atomic Mass
Transition number
56
ductility and malleability are properties of...
minerals
gasses
metaloids
metals
57
Elements with an atomic number higher than __ are not found naturally.
92
71
90
58
58
Which ion is most likely to form from a Boron atom?
B3-
B2-
B3+
B2+
59
When you subtract the atomic number from the atomic mass you find the number of this.
protons
neutrons
electrons
60
When an element gains 3 electrons, it will then have a (an)_____________ charge.
neutral
+3
unchanged
-3
61
Oxygen’s atomic number is 8. This means that an oxygen atom has
8 protons
8 protons and 8 neutrons
a total of 8 protons and neutrons
8 valence electrons
62
If you were drawing a model of an atom, where would the nucleus be?
Mixed in with the electrons
In between the center of the atom and the electron cloud
In the center of the atom, surrounded by the electron cloud
Outside the electron cloud
63
What color circle(s) is/are in the nucleus of the atom?
Red
White
Red and yellow
Yellow
64
Groups on the periodic table are arranged
Vertically
Horizontally
65
Semiconductors are elements that
are brittle
can conduct under certain conditions
have large atomic masses
are very shinny
66
Metalloids are ________ at room temperature.
gases
liquids
solids
67
Isotopes have _____________________
same number of protons but different number of electrons
same number of protons but different number of neutrons
same number of protons and electrons
same number of protons and neutrons
68
Define half-life.
the amount of time it takes a radioactive element to react
the amount of time for 1/2 of a radioactive element to decay
the amount of energy it takes a radioactive element to decay
the amount of time to find a decent song on the radio
69
Which of these carry a positive charge?
morons
protons
electrons
neutrons
70
Each horizontal row on the periodic table is called what?
Period
Group
71
Chlorine and bromine are both what?
Compounds
In the same group
In the same period
Metalloids
72
What two things do you add to find an element's mass number?
Neutrons and electrons
Protons, neutrons, and electrons
Protons and neutrons
Electrons and protons
73
What is the chemical symbol for Sodium?
Di
Na
So
Dm
74
neutrons, protons and electrons are
subatomic particles and are not made of atoms
are matter made of atoms
are all negatively charged
are all positively charged
75
Which statement about the atom’s nucleus is correct?
it is made of protonsand neutrons and has a positive charge
it is made of electrons and has a negative charge
it has no charge
it is made of electronsand has a positive charge
76
Nitrogen has one more valence electron than carbon hasand therefore we can infer
Nitrogen and carbon are in different groups
They have the same atomic mass
They are in the same group
They are in the same period
77
Each box on the periodic table represents what?
A metal
A mixture
A compound
An element
78
Rutherford's experiment led to the discovery of what atomic feature?
protons
positive nucleus
energy levels
negatively charged electroms
79
Metals have these properties EXCEPT. . .
solids at room temperature
conduct electricity
brittle
very reactive
80
Isotopes of the same element have a different number of
electrons
protons
neutrons
81
The number of protons in an atom determines the atoms
atomic mass
charge
identity
reactivity
82
Which accurately describes nonmetals?
Always solid at room temperature
Often used in computer parts
Poor conductors of electricity
Both malleable and ductile

Ch. 16 Test Physical Science Tolliver Flashcards | StudBud

Ch. 16 Test Physical Science Tolliver

82 termsStudBud Administration273 plays

Flashcards82 cardsFPractice quizPHost liveL

Questions 82

Answers

1
What is the number of valence electrons for K?
2
3
1
2
What is the symbol for the element with an atomic number of 10?
Ne
Cl
B
Pb
3
If an element has an atomic number of 3, then it has how many protons?
3
-6
-3
6
4
Valence electrons determine an atom's
mass
chemical properties
identity
period
5
Subatomic particle with negative charge
atom
electron
proton
neutron
6
What number on the periodic table tells the number of protons?
Valence Number
Atomic Mass
Atomic Number
Oxidation Number
7
Li, Na, K are examples of. . .
atomic mass
atomic symbol
element name
atomic number
8
To find out how many neutrons there are in the nucleus of an atom, you
add the electrons and protons
add the electrons, protons and neutrons
subtract the atomic number from the atomic massnumber.
subtract the nuetrons from the protons
9
The figure shown is a Bohr's Model of what atom?
Nitrogen
Chlorine
Sulfur
Bromine
10
Groups are
Rows 13 through 18
rows 1 through 8
· the up and down columns of the periodic table
The verticle rows
11
What is the smallest particle of the element oxygen that has the same properties as oxygen?
A proton in an oxygen atom
An electron in an oxygen atom
A molecule that contains oxygen
An atom of oxygen
12
Which group lists the parts of an atom from the mostmassive to the least massive?
Proton, nucleus, electron
Nucleus, proton, electron
Electron, proton, nucleus
Proton, electron, nucleus
13
Which properties most accurately describe the element silicon (Si)?
Weak conductor of electricity, solid at room temperature
Poor conductor, transparent
Ductile and malleable
Highly conductive, solid at room temperature
14
Most metals form
positive ions
neural ions
negative ions
15
Atoms of elements that are in the same group have the same number of
protons
valence electrons
neutrons
16
How many periods are there in the periodic table?
18
7
9
10
17
The first energy level (orbital) of an atom can hold how many electrons?
16
2
an unlimited amount
8
18
Electrons are located in this region of the atom.
electronic field
electron cloud
cytoplasm
nucleus
19
A small mass of positive charge was found in the center of the atom which prompted scientist to
change the structure the nucleus
change the model of the atom
decide that atoms do not exist
change the atomic theory
20
Where are metals located on the Periodic Table?
on stair-step line
left of stair-step line
right of stair-step line
21
Atoms are shown on the periodic table with a _____________ charge
depends on the atom
negative
positive
neutral
22
If an atom has 5 protons and 3 neutrons, how many electrons does it have?
2
3
8
5
23
Helium has an atomic number of 2. What does the atomic number tell you?
The period number of helium
The number of protons in a helium atom
The group number of helium
The average atomic mass
24
Which group of elements is un-reactive?
Alkaline-earth metals
Inner transition metals
Transition metals
Noble Gases
25
Which pair would best represent the size of a proton to that of an electron?
A volleyball to a basketball
A baseball to a tennis ball
A beach ball to a marble
A basketball to a soccer ball
26
When an atom loses an electron in its outer shell it becomes
an ion
an isotope
a metal
a covalant bond
27
Valence electrons are found by looking at what ________ the atom is in on the periodic table.
table
period
stair
group
28
These are gases at room temperature
metals
metalloids
nonmetals
elements
29
Elements that have characteristics of both metals and non metals are called
gases
solids
metalloids
liquids
30
Which pair of elements would have similar properties due to the position in the periodic table?
Lithium (Li), Beryllium (Be)
Calcium (Ca), Helium (He)
Copper (Cu), Gold (Au)
Aluminum (Al), Zinc (Zn)
31
How many neutrons does K have if its atomic number is 19 and atomic mass is 39?
19
20
58
39
32
Group 15 elements have 4 valence electrons.
False
True
33
Which of these is a true statement about elements in a period?
Atomic masses increase by one from top to bottom
Atomic numbers increase by 1 left to right
Atomic masses increase by 1 left to right
Atomic numbers increase by 1 from top to bottom
34
Phosphorus is in group 15 on the periodic table. What is its average atomic mass?
45.974
15
30.974
30
35
What is the name for a row on the periodic table?
Period
Section
Family
Group
36
What is the mass number of an atom that has 19 protons, 19 electrons, and 20 neutrons
1
20
19
39
37
What color circle(s) is/are in the electron cloud?
Red
White
Red and yellow
Yellow
38
The nucleus is made up of ______ and ______.
neutrons and protons
neutrons and electrons
electrons and protons
39
Atoms that gain or lose electrons are called
nonmetals
semiconductors
metals
ions
40
How are elements in the periodic table organized?
Alphabetically
Increasing number of electrons
Most reactive to least reactive
Based on physical and chemical properties
41
Which of these statements are true about the electron cloud?
It has the most mass in an atom
It is made up of protons and electrons
It is inside the nucleus
It is where the electrons are found
42
If an atom had an atomic number of 50 and a mass number of 80, how many neutrons are there?
130
80
30
50
43
The order of elements in the modern periodic table is based on
atomic mass
neutrons
electrons
protons
44
The __________ is the _______ energy shell of the atom.
valence shell, outer
valence shell, inner
valence shell, first energy level
valence shell, second energy level
45
Which of these particles is smallest?
Element
Proton
Molecule
Atom
46
Which category of elements includes some elements like nickel, iron, and copper?
Halogens
Inner transition metals
Transition metals
Noble gases
47
The process in which an unstable nucleus breaks down is ___________________.
half-life of radioactive element
radioactivity
radioisotope
radioactive decay
48
Why do elements in group 15 share similar chemical properties?
They all have the same atomic number
They are all nonmetals
Their atoms have the same number of valence electrons
They are found in the same period
49
How many valence electrons are in Te (52)
2
4
7
6
50
Poor conductors, gases at room temp., brittle, very reactive, and good insulators describe____.
properties of metals
properties of iron
properties of nonmetals
properties of metalloids
51
What type of atoms are circled below
mataloids
nonmetals
metals
nobel gasses
52
Which subatomic particle plays the greatest role in determining an atom’s chemical properties?
Neutron
Electron
Proton
53
What is the mass number of an atom with 8 protons, 8 electrons, and 10 neutrons?
16
10
18
8
54
Most elements on the periodic table are classified as __________.
Metalloids
Metals
Nonmetals
Gases
55
Which number on the periodic table tells the number of protons & neutrons?
Atomic Number
Oxidation Number
Atomic Mass
Transition number
56
ductility and malleability are properties of...
minerals
gasses
metaloids
metals
57
Elements with an atomic number higher than __ are not found naturally.
92
71
90
58
58
Which ion is most likely to form from a Boron atom?
B3-
B2-
B3+
B2+
59
When you subtract the atomic number from the atomic mass you find the number of this.
protons
neutrons
electrons
60
When an element gains 3 electrons, it will then have a (an)_____________ charge.
neutral
+3
unchanged
-3
61
Oxygen’s atomic number is 8. This means that an oxygen atom has
8 protons
8 protons and 8 neutrons
a total of 8 protons and neutrons
8 valence electrons
62
If you were drawing a model of an atom, where would the nucleus be?
Mixed in with the electrons
In between the center of the atom and the electron cloud
In the center of the atom, surrounded by the electron cloud
Outside the electron cloud
63
What color circle(s) is/are in the nucleus of the atom?
Red
White
Red and yellow
Yellow
64
Groups on the periodic table are arranged
Vertically
Horizontally
65
Semiconductors are elements that
are brittle
can conduct under certain conditions
have large atomic masses
are very shinny
66
Metalloids are ________ at room temperature.
gases
liquids
solids
67
Isotopes have _____________________
same number of protons but different number of electrons
same number of protons but different number of neutrons
same number of protons and electrons
same number of protons and neutrons
68
Define half-life.
the amount of time it takes a radioactive element to react
the amount of time for 1/2 of a radioactive element to decay
the amount of energy it takes a radioactive element to decay
the amount of time to find a decent song on the radio
69
Which of these carry a positive charge?
morons
protons
electrons
neutrons
70
Each horizontal row on the periodic table is called what?
Period
Group
71
Chlorine and bromine are both what?
Compounds
In the same group
In the same period
Metalloids
72
What two things do you add to find an element's mass number?
Neutrons and electrons
Protons, neutrons, and electrons
Protons and neutrons
Electrons and protons
73
What is the chemical symbol for Sodium?
Di
Na
So
Dm
74
neutrons, protons and electrons are
subatomic particles and are not made of atoms
are matter made of atoms
are all negatively charged
are all positively charged
75
Which statement about the atom’s nucleus is correct?
it is made of protonsand neutrons and has a positive charge
it is made of electrons and has a negative charge
it has no charge
it is made of electronsand has a positive charge
76
Nitrogen has one more valence electron than carbon hasand therefore we can infer
Nitrogen and carbon are in different groups
They have the same atomic mass
They are in the same group
They are in the same period
77
Each box on the periodic table represents what?
A metal
A mixture
A compound
An element
78
Rutherford's experiment led to the discovery of what atomic feature?
protons
positive nucleus
energy levels
negatively charged electroms
79
Metals have these properties EXCEPT. . .
solids at room temperature
conduct electricity
brittle
very reactive
80
Isotopes of the same element have a different number of
electrons
protons
neutrons
81
The number of protons in an atom determines the atoms
atomic mass
charge
identity
reactivity
82
Which accurately describes nonmetals?
Always solid at room temperature
Often used in computer parts
Poor conductors of electricity
Both malleable and ductile