Bionary Ionic Compunds

Definitions

100

an atom or group of combined atoms that has a charge because of loss or gain of electrons

Ion

200

A positive ion

Cation

300

A negative ion

Anion

400

A ____________ is a compound that contains only two elements, such as sodium chloride (NaCl).

Binary compound

500

The simplest ratio of ions in a compound is called a __________________

Formula Unit

Name Compound

100

H₂O

Water or Hydrogen Oxide

200

Li₂O

Lithium Oxide

300

MgS

Magnesium Sulfide

400

Pb(NO₃)₂

Potassium Nitrate

500

Ni(C₂H₃O₂)₂

Nitrogen Acetate

What is the charge?

100

Group 13

+3

200

Group 17

-1

300

Group 18

No charge

400

Oxygen in water

-2

500

Carbon is Carbon dioxide

+4

Formula

100

sodium chloride

NaCl

200

beryllium oxide

BeO

300

ammonium and sulfate ions

(NH₄)₂SO₄ 

400

ammonium and dichromate ions

(NH₄)₂Cr₂O₇

500

barium and nitrate ions

Ba(NO₃)₂

Into to periodic table

100

The lowest atomic number

1

200

The highest atomic number

118

300

A _______ is a horizontal row on the periodic table.

A _______, or family, consists of elements in a vertical column of the periodic table.

period

group

400

What group are alkali metals in?

group 1

500

What group are halogens in?

Group 17