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Duplicate of Chemistry-Isotopes and Periodic Table Flashcards | StudBud
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Duplicate of Chemistry-Isotopes and Periodic Table
Duplicate of Chemistry-Isotopes and Periodic Table
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A review of the periodic table and isotopes.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
A vertical column of elements in the periodic table is called a(n)___.
period/energy level
group/energy level
period/family
group/family
2
A horizontal row of elements on the periodic table is called a(n)___.
group/energy level
group/family
valence electron
period / energy level
3
Electrons on the outer energy level are called_______electrons.
last
valence
outside
eight
4
Name the group for letter "D"
Boron Group
Transition Metals
Halogen
Noble Gases
5
The 25 in magnesium - 25 is the
number of electrons
mass number
number of protons
number of neutrons
6
Which symbol is a transition metal?
K
Na
F
Cu
7
Which group shares 2 valence electrons?
C
D
E
B
8
Oxygen -18 has _________neutrons
18
10
6
8
9
The group number indicates the number of
valence electrons
neutrons
energy levels
protons
10
Name the family for letter "A"
Halogens
Alkaline Earth Metals
Transition Metals
Alkali Metals
11
Hydrogen-1, Hydrogen-2, and Hydrogen-3 represent __________ of the hydrogen atom.
the neutrons
the isotopes
the electrons
the atomic mass
12
Group 17 elements share ______valence electrons.
17
8
7
18
13
Boron (B), Aluminum (Al), and Gallium (Ga) share ____ valence electrons
13
3
4
14
14
Which group shares 8 valence electrons?
D
B
C
A
15
Which three elements are halogens?
F, Cl, Br
Cl, Br, He
N, O, F
F, S, Cl
16
Name the family for letter "E"
Halogens
Alkaline Earth Metals
Noble Gases
Transition Metals
17
The period number tells the number of
energy levels
protons
neutrons
valence electrons
18
Which element has an atomic number of 6?
C
O
N
Li
19
Fluorine-19 and Fluorine- 20 have _______protons.
9
10
19
11
20
Atoms with the same number of protons but contain a different number of neutrons are called_.
isotopes
mass number
atomic number
atomic mass
21
Name the group for letter "B"
Halogens
Noble Gases
Transition Metals
Alkali Metals
22
Potassium (K) and Calcium(Ca) belong to ______.
Group 1
Period 4
Period 1
Group 4
23
Which is a noble gas element?
H
O
F
He
24
Name the group for letter "C"
Noble Gas
Transition Metal
Alkali Metals
Halogen
25
Which electrons are most easily stolen or lost? They are involved in chemical reactions.
electrons close to the nucleus
valence electrons
electrons in the middle of the cloud
electrons in the nucleus
26
Hydrogen (H) and Lithium (Li) are in ________.
Group 1
Period 1
Period 4
Group 4
27
The symbol for the element on Period 2, Group 13 is _________.
O
N
C
B
28
The elements in Group 18, which are generally unreactive (inert), are called ___.
noble gases
transition gases
alkali gases
alkaline earth gases
29
Which symbol is an alkali metal?
K
N
Ne
C
30
Which group shares 7 valence electrons?
D
C
B
A
