The Periodic Table of Elements (for O Level Chemistry 5070)

The Periodic Table of Elements (for O Level Chemistry 5070) TaughtWare.com - Prescribed by CIE for examination in 2016. lithium sodium 23 potassium 39 rubidium 85 caeslum 133 francium Be beryllium 12 Mg magnesium 24 calcium 40 strontium 88 barium 137 radium scandium 45 yttrium 89 57-71 lanthanoids actinoids lanthanum 139 Ac ................
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