Polyatomic Ions (-2 and -3)

Front

What is the formula for chromate?

Back

CrO4-2

Front

What is the formula for dichromate?

Back

Cr2O7-2

Front

What is the formula for silicate?

Back

SiO3-2

Front

What is the formula for sulfite?

Back

SO3-2

Front

What is the formula for thiosulfate?

Back

S2O3-2

Front

Define polyatomic ion.

Back

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

Front

What charge does a chromate ion carry?

Back

-2

Front

What charge does a dichromate ion carry?

Back

-2

Front

What is the significance of polyatomic ions in chemical reactions?

Back

They often participate in reactions as a single unit, affecting the overall charge and composition of compounds.

Front

Provide an example of a compound containing a sulfite ion.

Back

Sodium sulfite (Na2SO3) contains the sulfite ion.