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Chapters 5 & 6 Electrons and the Periodic Table Flashcards | StudBud
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Chapters 5 & 6 Electrons and the Periodic Table
Chapters 5 & 6 Electrons and the Periodic Table
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HS Chemistry Practice on Electrons & the Periodic Table
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Questions
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Answers
1
Which of the following is the alkaline earth metal in the 5th period?
zinc
strontium
xenon
barium
2
Which family of elements would have this Lewis electron dot structure?
halogens
alkaline earth metals
noble gases
alkali metals
3
Electrons found in which of the following orbitals have the most energy according to Aufbau?
6s
5d
4f
3p
4
An
ion of sodium
will have the
same electron configuration
as which of the following?
neon
magnesium
argon
potassium
5
Which of the following orbitals is shown by this diagram?
dz
pz
sz
fz
6
How many electrons can be found in an
orbital
?
2
it depends on the orbital
6
10
7
An atom of
oxygen
would most likely ____
two electrons
to become a(n) _____.
gain...cation
gain...anion
lose...cation
lose...anion
8
Which of the following would be the
largest particle
, i.e. largest radius?
Ca atom
Ca2+ cation
Mg2+ cation
Mg atom
9
What does the "
d
" tell us about an electron in the description 3
d
?
energy level
orbital orientation
electron spin
sublevel or orbital shape
10
Which contains THREE
unpaired
electrons in its 3rd energy level?
arsenic
aluminum
scandium
vanadium
11
Which family of elements has the ending electron configuration of
s
1
?
noble gases
alkaline earth metals
halogens
alkali metals
12
How many total electrons could be found on the third energy level, i.e. n = 3?
8
18
32
2
13
Electrons found in which of the following orbitals are farthest from the nucleus?
6s
3p
4f
5d
14
Which of the following is also known the "
d
block" elements?
transition metals
alkali & alkaline earth metals
lanthanides & actinides
halogens & noble gases
15
Which of the following is a metalloid?
aluminum
radon
arsenic
potassium
16
Which of the following is an INCORRECT ground state electron configuration?
[Ar] 4s24d104p3
[Ar] 4s23d10
[Ar] 4s13d5
[Ar] 4s13d10
17
In which orbital(s) are the valence electrons found for the configuration: [Kr] 5
s
2
4
d
10
5
p
4
?
5s & 5p only
5p only
4d & 5p only
5s, 4d & 5p
18
Which of the following states "Electrons enter lowest energy orbitals first"?
Aufbau principle
Pauli Exclusion Principle
Hund' Rule
Bohr's Rule
19
Which color of visible light has the highest energy?
violet
orange
green
red
20
Which of the following statements about the reaction of barium and sulfur is NOT true?
Barium loses two electrons to form a cation.
The resulting compound would be named barium sulfide.
Ba and S would be present in a 1:1 ratio in the compound.
Sulfur gains one electron to form an anion.
21
Which of the following is the most stable electron configuration?
a completely filled sublevel, ex. d10
a completely filled valence energy level, ex. s2p6
a partially filled sublevel, ex. p4
a half-filled sublevel, ex. d5
22
"Electrons enter orbitals of the same type individually before pairing" best describes
Hund' Rule
the Aufbau principle
Bohr's Rule
the Pauli Exclusion Principle
