Chem Chap 7 Review

Front

Hydrogen needs _____ electrons in its valence shell to be stable.

Back

2

Front

What is the correct Lewis Dot Structure for ammonia (NH3)?

Back

The Lewis Dot Structure for ammonia shows nitrogen (N) in the center with three hydrogen (H) atoms bonded to it, and a lone pair of electrons on nitrogen.

Front

What elements generally make an ionic bond?

Back

Metal and nonmetal.

Front

What type of bond will conduct electricity in a dissolved state?

Back

Ionic bond.

Front

All solids at room temperature are typically:

Back

Ionic compounds.

Front

Define ionic bond.

Back

An ionic bond is a type of chemical bond that occurs between a metal and a nonmetal, where electrons are transferred from one atom to another.

Front

What is a covalent bond?

Back

A covalent bond is a type of chemical bond where two nonmetals share electrons.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is a Lewis Dot Structure?

Back

A Lewis Dot Structure is a diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist.

Front

What is the difference between ionic and covalent compounds?

Back

Ionic compounds are formed from the transfer of electrons between metals and nonmetals, while covalent compounds are formed from the sharing of electrons between nonmetals.