Periodic Trends

Question 1

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 2

Electronegativities of the elements Be, Mg, Ca, and Sr follow a specific trend within their group. Based on this trend, the atoms of which element will have the least attraction for an electron?

Revolt · Accepted Answer

Sr

Question 3

Electronegativities of the elements Na, Al, P, and Cl follow a specific trend across the period. Based on this trend, an electron will be most strongly attracted to

Revolt · Accepted Answer

Cl.

Question 4

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

Revolt · Accepted Answer

small nonmetal atoms

Question 5

Which correctly summarizes the trend in electron affinity?

Revolt · Accepted Answer

It tends to be more negative across a period.

Question 6

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

Revolt · Accepted Answer

Ca2+

Question 7

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

Revolt · Accepted Answer

an anion that has a larger radius.

Question 8

Which explains the change in ionization energy that occurs between removing the first and second electrons from an atom?

Revolt · Accepted Answer

The ionization energy increases because the ratio of the protons to electrons increases.

Question 9

Which element has the smallest atomic radius?

Revolt · Accepted Answer

titanium

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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