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H
Hydrogen +1
Li
Lithium +1
Na
Sodium +1
K
Potassium +1
Rb
Rubidium +1
Cs
Cesium +1
Fr
Francium +1
Be
Beryllium +2
Mg
Magnesium +2
Ca
Calcium +2
Sr
Strontium +2
Ba
Barium +2
Ra
Radium +2