Polyatomic and Binary Ionic Compounds

Front

What is a polyatomic ion?

Back

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

Front

What is the formula for lithium nitrate?

Back

The formula for lithium nitrate is LiNO₃.

Front

What type of ion does a nonmetal become when it gains electrons?

Back

When a nonmetal gains electrons, it becomes an anion.

Front

What is the formula for Lead(IV) Carbonate?

Back

The formula for Lead(IV) Carbonate is Pb(CO₃)₂.

Front

What is the chemical formula for copper (II) phosphate?

Back

The chemical formula for copper (II) phosphate is Cu₃(PO₄)₂.

Front

What must be used when writing the chemical formula of a compound that contains more than one of a particular polyatomic ion?

Back

Parenthesis must be used.

Front

Define a binary ionic compound.

Back

A binary ionic compound is a chemical compound composed of two different elements, typically one metal and one nonmetal, that are held together by ionic bonds.

Front

What is the charge of an anion?

Back

An anion has a negative charge.

Front

What is the charge of a cation?

Back

A cation has a positive charge.

Front

How do you determine the formula for a compound formed from a metal and a polyatomic ion?

Back

To determine the formula, balance the total positive charge of the cation with the total negative charge of the polyatomic ion.