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Use a periodic table to find symbol,atomic mass number for each of the following elements need help thank you
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Use a periodic table to find symbol,atomic mass number for each of the following elements need help thank you

Use a periodic table to find symbol,atomic mass number for each of the following elements-example-1
User Dhaval Chaudhary
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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
User Osiris Xu
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(*KEY*
Element = Symbol, atomic mass #)

Calcium = Ca, 20
Sodium = Na, 11
Carbon = C, 6
Hydrogen = H, 1
Oxygen = O, 8
User Lawnsea
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