1.

Write the symbol, atomic number and atomic mass of the following elements.Magnesium,

Answer»

ANSWER:

ELEMENT. ATOMIC NO. MASS NO.

lithium (Li). 3. 6.9

Carbon (c). 6. 12

Fluorine (F). 9. 18.99≈ 19

Magnesium(Mg) 12. 24.3≈ 24

Sulphur (S). 16. 32

Potassium (K). 19. 39



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