Chem 1 Writing Ionic Formulas with Polyatomic Ions 4

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond that occurs when one atom transfers electrons to another atom, resulting in the formation of charged ions that attract each other.

Front

What is the charge of an aluminum ion?

Back

The charge of an aluminum ion is +3 (Al³⁺).

Front

What is the charge of an oxide ion?

Back

The charge of an oxide ion is -2 (O^2-).

Front

How do you determine the formula for an ionic compound?

Back

To determine the formula for an ionic compound, balance the total positive and negative charges of the ions involved.

Front

What is the formula for aluminum oxide?

Back

The formula for aluminum oxide is Al₂O₃.

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged ion composed of two or more atoms bonded together, which can act as a single unit in chemical reactions.

Front

What is the charge of the permanganate ion (MnO₄)?

Back

The charge of the permanganate ion (MnO₄) is -1.

Front

What is the formula for calcium permanganate?

Back

The formula for calcium permanganate is Ca(MnO₄)₂.

Front

What is the name of K₃PO₄?

Back

The name of K₃PO₄ is Potassium phosphate.

Front

How many valence electrons do most atoms need to be stable?

Back

Most atoms need 8 valence electrons to be stable.