Ch. 09 Chemical Names and Formulas Study Guide

Front

What is the chemical formula for the ionic compound of potassium and oxygen?

Back

K₂O

Front

What do Roman numerals indicate about the metal cation(s) in an ionic compound?

Back

Charge

Front

What compound is formed when Al³⁺ combines with (PO₄)³-?

Back

Al(PO₄)

Front

What type of compound is formed from a metal and a nonmetal?

Back

Ionic

Front

What type of bond is formed between metal atoms?

Back

Metallic

Front

Define ionic bond.

Back

An ionic bond is a type of chemical bond that occurs between a metal and a nonmetal, where electrons are transferred from one atom to another.

Front

What is a covalent bond?

Back

A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons.

Front

What is the significance of the subscript in a chemical formula?

Back

The subscript indicates the number of atoms of the element in the compound.

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged species composed of two or more atoms covalently bonded.

Front

How do you determine the charge of a metal cation in an ionic compound?

Back

The charge can be determined from the Roman numeral associated with the metal in the compound's name.