· period lithium 23 na sodium 11 potassium rubidium 37 caesium 223 francium 87 beryllium 24 mg...
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- · Period Lithium 23 Na Sodium 11 Potassium Rubidium 37 Caesium 223 Francium 87 Beryllium 24 Mg Magnesium 12 Calcium Strontium Barium 226 Radium
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Post on 07-Mar-2020
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