Chemical Bonds Review

An Ionic Bond is between a metal and a

• Nonmetal

• Metal

• Metaloid

A covalent bond is between a nonmetal and a _________

• metal

• nonmetal

• mataloid

A covalent bond forming involves...

• one atom taking electrons from another atom

• two atoms sharing electrons

• all atoms behaving like positive Cations in a sea of electrons

Which of the following has an element with a stable electron configuration?

• lithium

• barium

• boron

• helium

Typically, atoms gain or lose electrons to achieve

• an exchange of energy.

• ionization.

• a stable electron confiuation.

• vaporization.

An an element is most stable when

• it only has to lose one electron to achieve stable configuration.

• it can only form four bonds.

• it has to gain only one electron to achieve stable configuration.

• its highest occupied energy level is filled.

Ionization energies tend to

• decrease from left to right acroos a period

• increase from the top of a group to the bottom

• increase from left to right across a period

• decrease from the bottom of a group to the top

The formation of an ionic bond involves the

• transfer of electrons

• transfer of neutrons

• transfer of protons

• sharing of electrons

How many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable?

• 2

• 3

• 6

• 8

What is the name for an ion with a positive charge?

• cation
• anion
• onion
• union