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The Structure of the Atom & the Periodic Table Flashcards | StudBud
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The Structure of the Atom & the Periodic Table
The Structure of the Atom & the Periodic Table
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Structure of the atom and vocabulary
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
The Noble Gases are unreactive because
They have a complete set of neutrons in their outer shell
They have a full set of electrons in their outer shell
They have no electrons at all
They have an equal number of protons in their outer shell
2
Which group on the periodic table contains the
most reactive metals?
Group 17 The Halogens
Group 2 Alkaline Earth Metals
Group 18 The Noble Gases
Group 1 Alkali Metals
3
A vertical column on the periodic table is called a
periodic category
period
group or family
valence group
4
Elements in the 4th period of the PT have how many energy levels?
4
8
2
6
5
How many protons does uranium have?
238
92
238.029
94
6
Which elements make up this compound?
H, N, O,
H, N,C
H, O, C
H, N, O, C
7
In this neutral atom of Lithium, how many electrons are there?
6
3
6.94
-3
8
How many valence electrons does Helium have?
1
12
8
2
9
How many electrons would a neutral atom of Uranium have?
238
238.029
92
94
10
The # of fingers represented___________ with the Periodic People sketches.
electrons
atoms
neutrons
protons
11
According to the periodic table, the elements are arranged according to
# of protons
# of neutrons
mass #
atomic mass
12
How many valence electrons do elements in Group 16 have?
6
8
16
2
13
The smallest unit of an element that maintains the property of the element is known as the
Atom
Electron
Proton
Neutron
14
What is the
mass number
of Boron?
11
10.811
5
10
15
What is the name of this model?
atomic model
chemical model
valence model
Bohr model
16
Atoms are considered neutral when they have the same number of
neutrons and protons
valence electrons
neutrons and electrons
protons and electrons
17
An ion deals mostly with an atom that has a
different number of protons and electrons
different number of protons and neutrons
different number of neutrons and electrons
different number of neutrons and electrons in the last shell
18
The picture is showing an example of
a negative ion
a positive ion
an isotope
a regular ion
19
Elements in the periodic table are classified as
metals, nonmetals, metalloids
solids, liquids, gases
metals and nonmetals
according to color
20
What is the name of the element being shown?
Lirium
Liberium
Litanium
Lithium
21
The atomic number is the same as the number of
Electrons
Ions
Protons
Neutrons
22
A neutron only affects the _____ of an atom.
Amount
Charge
Mass
Type
23
The arrows in the diagram are pointing to
Ions
Neutrons
Electrons
Protons
24
An atom that has the same number of protons and a different number of neutrons is known as
An isotope
An ion
A charged particle
A chemical substance
25
What is the atomic number of this element?
54
56
26
55.845
26
An electron only changes the_____ of an atom
Amount
Charge
Mass
Type
27
The number 3 in the image refers to the
Atomic mass
Atomic formula
Atomic number
Atomic nuclei
28
How many neutrons does Oxygen have?
8
15
16
0
29
What element is being shown?
Beryllium
Helium
Lithium
Hydrogen
30
Groups 3-12 on the Periodic Table are known as the
Transition Metals
Metalloids
Alkaline Earth Metals
Nonmetals
31
Every element has its own chemical symbol. True or False
False
True
32
Which of the following has the least mass?
electron
proton
neutron
nucleus
33
I am in the 2nd period and my atomic # is 7. How many valence electrons do I have?
5
8
2
7
34
Group 17 on the periodic table is referred to as the
Alkali Metals
Noble Gases
Halogens
Transition Metals
35
What is the mass number of U?
92
238.029
238
239
36
Most of the elements on the periodic table are
Metals
Gases
Unknown
Nonmetals
37
The mass number is the sum of the
Protons and neutrons
Protons only
Neutrons only
Electrons and protons
38
What is the symbol for fluorine
FL
f
F
fL
39
What element is this?
carbon
nitrogen
oxygen
sulfur
40
A period on the periodic table runs
horizontally
vertically
