Chem Ch 7 bonds

When atoms bond, they gain __________.

• stability

• mass

• energy

• electrons

An atom becomes more stable by bonding with another atom if the resulting electron configuration is more like that of what group of elements?

• alkali metals

• noble gases

• halogens

• metalloids

Which of the following is a nonpolar covalent compound?

• NaCl

• Br₂

• HCN

• Au

Which of the following values for EN would represent a bond that is mostly ionic?

• 0.8

• 2.0

• 2.4

• 3.2

In order to achieve an octet when combining with potassium, an atom of a Group 16 (6A) element would be expected to __________ electrons.

• lose

• gain

• share

• This cannot be determined from the given information.

The ratio of cations to anions in an ionic compound is expressed in a chemical formula known as a(n) __________ unit.

• molecular

• formula

• atomic

• proportional

An orderly arrangement of ions in a three-dimensional pattern within a compound is called a(n)

• formula unit.

• ion array.

• crystal lattice.

• ionic network.

Because most metals have __________, they are most likely to freely share electrons when bonding with each other.

• high electronegativities

• large atomic radii

• the ability to conduct electricity

• low electron affinities

A mixture of atoms from multiple metals which has metallic properties is called a(n) __________.

• metalloid

• network

• alloy

• electron sea

When atoms bond, they will seek a higher, more stable energy state.

• true

• false