Atomic Mass 64 - Copper, Symbol Mn - Manganese, Atomic #5 - Boron, Atomic #10 - Neon, Atomic Mass 14 - Nitrogen, Symbol Be - Beryllium, Atomic #11 - Sodium, Group 4, Period 4 - Titanium, Symbol Fe - Iron, Group 2, Period 3 - Magnesium, Has 28 protons - Nickel, Has two valence electrons - Helium, Group 12, Period 4 - Zinc, Atomic Mass 31 - Phosphorus, Symbol K - Potassium, Atomic Mass 7 - Lithium, Group 13, Period 3 - Aluminum, Has 8 Protons - Oxygen, Group 14, Period 2 - Carbon, Has 20 Protons - Calcium,

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