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Chemistry

by Ester Horvath

Metals Metalloids Nonmetals 1 H 1. 008 3 Li 6. 941 11 Na 22. 99 19 K 39. 10 37 Rb 85. 47 55 Cs 132. 9 87 Fr (223) 20 Ca 40. 08 38 Sr 87. 62 56 Ba 137. 3 88 Ra (226) 21 Sc 44. 96 39 Y 88. 91 57 La 138. 9 89 Ac (227) 22 Ti 47. 88 40 Zr 91. 22 72 Hf 178. 5... Read more