Ionic Compounds Review

Elements in the first column of the periodic table are known as alkali metals. These elements, when ionized, have in common:

• a charge of +1

• a charge of -1

• a charge of +2

• a charge of -2

When an atom gains or loses electrons, it has an electrical charge. It is known as:

• an ion

• a free radical

• a hydrate

• a monatomic molecule

What is the chemical formula for a compound that contains the aluminum ion (Al³⁺) and the hydroxide ion (OH^1-)?

• Al(OH)₃

• AlO₃H₃

• AlOH₃

Tags

NGSS.MS-PS1-1

The charge on an ionic compound is

• Positive

• Negative

• Neutral

The correct formula for Mg and NO₃ is

• MgNO₂

• Mg₂NO₃

• Mg(NO₃)₂

• MgNO₃

Tags

NGSS.MS-PS1-1

How many oxygen atoms are in Ca₃(PO₄)₂

Tags

NGSS.MS-PS1-1

How many oxygen atoms are in Ca(OH)₂

Tags

NGSS.MS-PS1-1

Sodium forms an ionic bond with chlorine when sodium ____ an electron and chlorine ____ an electron.

• shares, shares

• gains, loses

• loses, loses

• loses, gains

Determine the charge of potassium as an ion:

Tags

NGSS.HS-PS1-1

Determine the charge of chlorine as an ion: