Periodic Trends — Quiz Answers

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How does a lithium cation compare to a lithium atom?

A
The cation is larger.
B
The cation has the same radius.
C
The cation has the same charge.
D
The cation is smaller.
3

Which ion was formed by providing the second ionization energy to remove an electron?

A
Fe raised to the 3 plus power
B
cap n raised to the 3 minus power
C
Ca raised to the 2 plus power
D
cap s raised to the 2 minus power
8

Among the elements of the main group, the first ionization energy increases

A
from left to right across a period.
B
when the atomic radius increases.
C
down a group.
D
from right to left across a period.
9

When electrons are added to the outermost shell of a carbon atom, it forms

A
an anion that has a larger radius.
B
an anion that has a smaller radius.
C
a cation that has a larger radius.
D
a cation that has a smaller radius.
10

Which correctly summarizes the trend in electron affinity?

A
It tends to be more negative down a group.
B
It tends to be more negative across a period.
C
It tends to be very high for group 2.
D
It tends to remain the same across periods.

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Periodic Trends — Quiz Answers — Physical Science