Ions
Polyatomic Ion Formulas
Octet
Element Charges
100

This is the name of a positively charged ion.

What is a cation?

100

The total number of atoms in the formula Li2O.

What is 3?

100

In order to make a complete octet, would calcium want to give or take electrons and how many?

What is give 2?

100
Fluorine
What is 1-
200

This is the name of a negatively charged ion.

What is an anion?

200

The total number of atoms in the formula NH4C2H3O2

What is 12?

200

In order to make a complete octet, would nitrogen want to give or take electrons and how many?

What is take on 3?

200
Sodium
What is 1+
300

The name given to carbon once it becomes an ion.

What is Carbide?

300

The total number of atoms in the formula NaHCO3.

What is 6?-

300

In order to make a complete octet, would aluminum want to give or take electrons and how many?

What is give 3?

300
Sulfur
What is 2-
400

The name of a compound that contains the atoms of two elements.

What is a binary ionic compound?

400

The total number of atoms in the formula 2NH4NO3.

What is 18?

400

In order to make a complete octet, would bromine want to give or take electrons and how many?

What is take 1?

400
Arsenic
What is 3-
500

The force holding two atoms together.

What is a chemical bond?

500

The total number of atoms in the formula 4Na(HCO3).

What is 24?

500

In order to make a complete octet, would carbon want to give or take electrons and how many?

What is either one and 4?

500

Manganese (VII)

What is 7+?