The ______ of an element is equal to the number of ______ in the nucleus.

Atoms of an element that differ by the number of neutrons are called ______.

Elements with full outer most shells are highly ________.

Ions are electrically charged ________.

Atoms of different elements combine to form _______.

_______ bonds form from shared electrons between atoms.

Ionic compounds form from the attraction of positive and negative _____.

A mixture there everything is the same throughout is called ________.

A mixture there are chunks, clumps and differences throughout is called ________.

Acids have a pH that is _______ 7 on the pH chart.

Bases have a pH that is _______ 7 on the pH chart.

Changes in state require _________ energy.

Changes in state from liquid to a gas at temperatures below the boiling point is called ______.

Gas heated to a point where they ionize and atoms separate into their components is called ________.

When heat is subtracted form vapor and it liquefies it is call ________.

____ is the process of ice changing to vapor without going through the liquid phase.

The law of conservation of _____ states that matter cannot be created of destroyed.

The law of conservation of _____ states that energy cannot be created or destroyed.

pH stands for power of ________.