Question

Write the atomic number and mass number of the following elements.
Element
Atomic number
Mass number
Lithium
Carbon
Fluorine
Magnesium
Sulphur
Potassium​

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:

refer to the periodic table :)