Writing Binary Ionic Formulas

Front

What is a valence electron?

Back

An electron that is found in the outermost shell of an atom.

Front

What is the formula for the compound formed by lithium and phosphorus?

Back

Li₃P

Front

Which elements are located to the LEFT of the zigzag line on the periodic table?

Back

Metals

Front

Which type of elements usually forms the negative ion?

Back

Nonmetals

Front

What is the formula for the compound formed by Al³⁺ and O²⁻?

Back

Al₂O₃

Front

What is the charge of a lithium ion?

Back

+1

Front

What is the charge of a phosphorus ion in Li₃P?

Back

-3

Front

What type of bond is formed between metals and nonmetals?

Back

Ionic bond

Front

What is the general rule for writing binary ionic formulas?

Back

The total positive charge must equal the total negative charge.

Front

What is the formula for sodium and chlorine?

Back

NaCl