Periodic Trends

Question 1

Which element would most likely have an electron affinity measuring closest to zero?

Revolt · Accepted Answer

Ar

Question 2

Which best describes ionization energy?

Revolt · Accepted Answer

energy needed to remove an electron from an atom or ion in the gas phase

Question 3

How does a lithium cation compare to a lithium atom?

Revolt · Accepted Answer

The cation is smaller.

Question 4

Which correctly summarizes the trend in electron affinity?

Revolt · Accepted Answer

It tends to be more negative across a period.

Question 5

Which element has the smallest atomic radius?

Revolt · Accepted Answer

titanium

Question 6

Which element has a larger atomic radius than sulfur?

Revolt · Accepted Answer

cadmium

Question 7

The most negative electron affinity is most likely associated with which type of atoms?

Revolt · Accepted Answer

small nonmetal atoms

Question 8

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

Revolt · Accepted Answer

Ca2+

Question 9

The graph below shows the electronegativities of the elements in the periodic table.Which would least strongly attract electrons from other atoms in a compound?

Revolt · Accepted Answer

elements of group 1

Question 10

Which element would release the most energy while adding an electron to a neutral atom in the gas phase?

Revolt · Accepted Answer

Br

Periodic Trends Answers

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