Question

Find the first valency of 20 elements ?

Answer 1

⚡ ANSWER ⚡

Valency - Name of element

1 - Hydrogen (H)

2- Helium (He)

3 - Lithium (Li)

4 - Berrylium (Be)

5 - Boron (B)

6- Carbon (C)

7- Nitrogen (N)

8- Oxygen (O)

9- Flourine (F)

10- Neon (Ne)

11- Sodium (Na)

12- Magnesium (Mg)

13- Aluminium (Al)

14- Silicon (Si)

15- Phosphorus (P)

16- Sulphur (S)

17- Chlorine ( Cl)

18- Argon (Ar)

19- Potassium (Ka)

20- Calcium (Ca)

Hope it helps you ;)