Question

❤️ Hii friend's❤️

Anyone plz give me 20 elements and there valency....

plz help 34 points☺️

Answer 1

$\textbf{ Answer-:}$

Elements and there valency

1. Hydrogen=1

2. Helium=0

3. Lithium=1

4. Beryllium= 2

5. Boran= 3

6. Carbon= 4

7. Nitrogen= 3

8. Oxygen=2

9. Florin= 1

10. Neon=0

11. Sodium=1

12. Magnesium=2

13. Aluminum=3

14. Silicone=4

15. Phosphorus=3

16. Sulphur=2

17. Chlorine=1

18. Aragon= 0

19. Potassium=1

20. Calcium=2

$\textbf{ Thanks}$

Answer 2

հҽվ!

✌_________________________✌

➡ Names of Elements and their valency ⤵

↪Hydrogen

Atomic number :- 1

Valency = 1


↪Helium

Atomic number :- 2

Valency = 0

As its a noble gas


↪Lithium

Atomic number :- 3

Valency = 1


↪Beryllium

Atomic number :- 4

Valency = 2


↪Boron

Atomic number :- 5

Valency = 3


↪Carbon

Atomic number :- 6

Valency = 4


↪Nitrogen

Atomic number :- 7

Valency = 3


↪Oxygen

Atomic number :- 8

Valency = 2


↪Fluorine

Atomic number :- 9

Valency = 1


↪Neon

Atomic number :- 10

Valency = 0

As its a noble gas


↪Sodium

Atomic number :- 11

Valency = 1


↪Magnesium

Atomic number :- 12

Valency = 2


↪Aluminium

Atomic number :- 13

Valency = 3


↪Silicon

Atomic number :- 14

Valency = 4


↪Phosphorus

Atomic number :- 15

Valency = 3


↪Sulphur

Atomic number :- 16

Valency = 2


↪Chlorine

Atomic number :- 17

Valency = 1


↪Argon

Atomic number :- 18

Valency = 0

As its a noble gas


↪Potassium

Atomic number :- 19

Valency = 1


↪Calcium

Atomic number :- 20

Valency = 2

✌ ___________________________✌