Bonds and Reactions

Front

What is a subscript?

Back

The small number after the chemical symbol.

Front

What is the general formula for a decomposition reaction?

Back

AB → A + B

Front

What occurs in an ionic bond?

Back

Valence electrons are transferred between atoms.

Front

Ionic bonds typically form between which types of elements?

Back

Metal + nonmetal.

Front

Is this a correct dot diagram for neon (Ne)?

Back

False.

Front

What is a covalent bond?

Back

A bond formed when two atoms share valence electrons.

Front

What is the general formula for a synthesis reaction?

Back

A + B → AB

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is a reactant?

Back

A substance that takes part in and undergoes change during a reaction.