Use a periodic table to find symbol,atomic mass number for each of the following elements need help thank you
2 answers:
(*KEY* Element = Symbol, atomic mass #) Calcium = Ca, 20 Sodium = Na, 11 Carbon = C, 6 Hydrogen = H, 1 Oxygen = O, 8
Element | Symbol | Atomic Number | Atomic Mass Calcium - Ca 20 40.078 Sodium - Na 11 22.990 Carbon - C 6 12.011 Hydrogen - H 1 1.008 Oxygen - O 8 15.999
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