Group 1 2 13 14 Period 1 1. H. 1.008. Hydrogen 2 3. Li. 6.94. Lithium 4. Be. 9.0122. Beryllium 5. B. 10.81. Boron 6... 3 11. Na. 22.990. Sodium 12. Mg. 24.305. Magnesium 13. Al. 26.982. Aluminium 14...
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