Question

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

Answer 1

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

Answer 2

Answer

Magnesium is a chemical element

with symbol Mg and atomic

number is =12

Atomic mass:- 24.305u

Electron configuration :-

35 square 2