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