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Physical Science Atomic Theory, Atoms, and Periodic table Review Flashcards | StudBud
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Physical Science Atomic Theory, Atoms, and Periodic table Review
Physical Science Atomic Theory, Atoms, and Periodic table Review
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Test #3 Review
Flashcards
59 cards
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Questions
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Answers
1
An electron cloud is a region of negative charge surrounding a proton.
True
False
2
The number of protons in the nucleus of an atom.
Atomic number
Neutrons
Mass number
Number of electrons
3
What did Thomson’s model of the atom include that Dalton’s model did not have?
a nucleus
electron clouds
energy levels
smaller particles
4
what is a dependent variable
the varible that you leave out all night
none of the above
the variable that you are measuring
5
A student draws carbon atom. Which of these should be in the nucleus of the atom?
Protons
Molecules
Neutrons
Ions
6
Which of the following were not part of the early modern atomic theory?
Atoms cannot be subdivided, created, or destroyed
They were all part of the early modern atomic theory
Chemical reactions see atoms rearranged, separated, or fused
All matter is composed of atoms
7
The elements
least likely
to form bonds are found in which group?
18
17
16
15
8
What are the two parts of an atom?
the neutron and the proton cloud
the nucleus and the proton cloud
the nucleus and the electron cloud
the neutron and the electron cloud
9
Periods on a periodic table tells you......
number of energy levels an element has
number of neutrons an element has
number of subscripts an element has
number of valence electrons an element has
10
Which statement describes a property of a proton?
is repelled by electrons
has less mass than an electron
has a positive charge
is found outside the nucleus
11
An example of an independent variable would be ?
Weight of individual
Health of plant
How much water plant recieved
Height the plant grew
12
Which describes any substance that shatters or breaks easily?
volatile
brittle
ductile
malleable
13
This is a Bohr model of which element?
Neon
Hydrogen
Oxygen
Carbon
14
Which statement
best
explains how the mass of an atom is organized?
The mass is spread evenly throughout the whole atom.
Most of the mass is contained in the electron cloud.
The mass is spread evenly throughout the electron cloud.
Most of the mass is contained in the nucleus.
15
What is Niels Bohr’s contribution to modern atomic theory?
Electrons exist outside of the nucleus.
Electrons are found in specific energy levels.
Electrons have a negative charge.
Electrons exist in regions of space called orbitals.
16
The Venn diagram compares protons with electrons. Which shared property belongs in the region marked "B”?
Is electrically charged
Orbits the nucleus
Has mass of 1 amu
Is found in the nucleus
17
What are Valence Electrons?
Outermost energy level of atom; Involves chemical reactions.
Innermost energy level of an atom; Involves Earth's gravity.
The mid-section of an atom which makes us how we are now.
Outermost energy level of atom:Involves physical reactions
18
Which Groups On The Periodic Table Are The Most Reactive
Groups 1 And 17
Groups 3 and 15
Groups 4 And 12
Groups 7 And 13
19
Noble gases are generally...
Brittle
Malleable
Unreactive
Semiconductor
20
Which element is
most likely
to be shiny?
boron (B)
carbon (C)
sulfur (S)
calcium (Ca)
21
This is how sodium appears in the periodic table. The arrow is pointing to sodium’s
number of neutrons.
atomic mass
chemical symbol
combined number of electrons and protons
22
The rows on the periodic table.
periods
alleys
columns
23
how many groups are on the periodic table
16
7
19
18
24
What did JJ Thomson discover?
The electron
The atom
The Nucleus
Something that makes up everything
25
What trend does the reactivity of nonmetals show in a periodic table?
changes according to trends on the periodic table
decreases from left to right across the periodic table
random changes without any trends on the periodic table
increases from left to right across the periodic table
26
Place the following models of the atom in the correct order
Y, Z, W, X
W, Z, X, Y
W, Y, Z, X
Y, X, Z, W
27
Most elements on the periodic table are metals
True
False
28
What does the modern atomic theory state?
All matter is made up of atoms
Atoms of different elements are exactly the same.
Atoms of different kinds combine to form different elements
All atoms are made up of hundreds of smaller particles
29
In the periodic table, periods are _________, while groups are ____________
Horizontal, Sideways
Vertical, Horizontal
Horizontal, Vertical
Vertical, Sideways
30
The Bohr model shows:
All of the valence electrons only
All of the atom's protons in orbits
All of the neutrons in orbits
All of the atom's electrons in orbits
31
Identify the INDEPENDENT variable on the graph.
Beverage (Coke, Moxie, etc.)
Color Grading
Teeth
Trials 1-5
32
To find an element on the periodic table with a smaller atomic mass than xenon (Xe) in the same group you should look
directly up
directly to the right
directly down
directly to the left
33
Which atomic model was developed by John Dalton
Plum Pudding
Solid Sphere
Quantum Mechanical
Solar System
34
Which determines the reactivity of an alkali metal?
the number of protons it has
its ability to lose electrons
its boiling and melting points
the shininess of its surface
35
Name that Bohr Model!
Neon
Sodium
Flourine
Magnesium
36
Which property do metalloids share with nonmetals?
Both have low melting points.
Both are brittle.
Both are very conductive.
Both are shiny.
37
How does Bohr’s model of the atom compare with Thomson’s model?
They both describe electrons as moving around the nucleus.
They both describe atoms as being made up of positive and negative matter.
They both describe electrons as being surrounded by the positive matter.
They both describe atoms as small, indivisible spheres.
38
An atomic model that defines the atom as a ball-like structure.
Dalton's atomic model
Thomson's atomic model
Rutherford's atomic model
Bohr's atomic model
39
An atom of the element zinc has an atomic number of 30 and a mass number of 65. How many protons does a zinc have?
65
35
30
95
40
The groups of a periodic table are the .........................
Horizontal rows
Vertical columns
41
How is the modern model of an atom different from the Bohr atomic model?
The masses of the atomic particles are different.
The arrangements of the electrons are different.
The numbers of electrons are different
The shapes of the nuclei are different.
42
What is the independent variable?
voltage of the battery
color of the battery
brand of battery
hours of battery use
43
Which properties are characteristic of metalloids?
intermediate conductivity and a low melting point
intermediate conductivity and a high melting point
high electrical conductivity and a high melting point
low electrical conductivity and a low melting point
44
What is the dependent variable?
water
melting rate
salt
the ice cube
45
The two parts of the atom's nucleus.
protons and electrons
nucleus and electrons
protons and neutrons
46
Which lists only metalloids?
boron (B), germanium (Ge), and tellurium (Te)
arsenic (As), sulfur (S), and polonium (Po)
polonium (Po), aluminum (Al), and silicon (Si)
antimony (Sb), tellurium (Te), and gallium (Ga)
47
Which argument
best
explains the charge of an atomic nucleus?
An atomic nucleus is positively charged because it is composed of neutrons.
An atomic nucleus is negatively charged because it is composed of electrons
An atomic nucleus is positively charged because it is composed of protons.
An atomic nucleus is negatively charged because it is composed of neutrons.
48
Which properties make a metal a good material to use for electrical wires?
malleability and reactivity
reactivity and conductivity
conductivity and ductility
ductility and malleability
49
The independent variable is...
amount of sunlight
type of plant
affect of sunlight on growth
average growth of the plant
50
The periodic table has ______ series/periods.
17
7
6
18
51
Whose atomic model was the Plum Pudding model?
Bohr
Dalton
Thomson
Rutherford
52
Who described atoms as small spheres that could not be divided into anything smaller?
Thomson
Rutherford
Dalton
Bohr
53
How many neutrons does this atom have?
4
6
14
10
54
What did Bohr discover about the atom?
Proton
Energy Levels
Nucleus
Neutron
55
Two atoms have the same number of protons and neutrons, but not the same number of electron. What describes the atoms?
The atoms have the same charge.
The atoms have different atomic masses.
The atoms have different atomic numbers.
The atoms have the same chemical symbol.
56
The independent variable is the variable that
is measured or observed
doesn't have any affect
stays the same
is changed on purpose
57
The following image is bohr model of
Sodium-11
Magnesium-11
Sodium-23
Magnesium-23
58
The elements in group 17 of the periodic table are all called halogens. All halogens have the same
atomic mass.
atomic number
number of valence electrons.
number of possible isotopes.
59
The nucleus of a atom consists of ?
electrons and protons
your mom
electrons and neutrons
protons and neutrons
