Question

write charge of first 30 elememt ?​

Answer 1

Answer:

1) Hydrogen (H)

Atomic Number: 1

Valency = 1

Electronic Configuration : 1

2)Helium (He)

Atomic Number: 2

Valency = 0

Electronic Configuration : 2

3)Lithium(Le)

Atomic Number: 3

Valency = 1

Electronic Configuration : 2 , 1

4)Beryllium(Be)

Atomic Number: 4

Valency = 2

Electronic Configuration : 2 , 2

5)Boron(B)

Atomic Number: 5

Valency = 3

Electronic Configuration : 2 , 3

6)Carbon(C)

Atomic Number: 6

Valency = 4

Electronic Configuration : 2 , 4

7)Nitrogen(N)

Atomic Number: 7

Valency = 3

Electronic Configuration : 2 , 5

8)Oxygen(O)

Atomic Number: 8

Valency = 2

Electronic Configuration : 2 , 6

9)Fluorine(F)

Atomic Number: 9

Valency = 1

Electronic Configuration : 2 , 7

10)Neon (Ne)

Atomic Number: 10

Valency = 0

Electronic Configuration : 2 , 8

11)Sodium(Na)

Atomic Number: 11

Valency = 1

Electronic Configuration : 2 , 8 , 1

12) Magnesium(Mg)

Atomic Number: 12

Valency = 2

Electronic Configuration : 2 , 8 , 2

13) Aluminium(Al)

Atomic Number: 13

Valency = 3

Electronic Configuration : 2 , 8 , 3

14) Silicon(Si)

Atomic Number: 14

Valency = 4

Electronic Configuration : 2 , 8 , 4

15) Phosphorus(P)

Atomic Number: 15

Valency = 5 , 3

Electronic Configuration : 2 , 8 , 5

16) Sulphur(S)

Atomic Number: 16

Valency = 2

Electronic Configuration : 2 , 8 , 6

17) Chlorine(Cl)

Atomic Number: 17

Valency = 1

Electronic Configuration : 2 , 8 , 7

18) Argon(Ar)

Atomic Number: 18

Valency = 0

Electronic Configuration : 2 , 8 , 8

19) Potassium(K)

Atomic Number: 19

Valency = 1

Electronic Configuration : 2 , 8 , 8 , 1

20) Calcium (Ca)

Atomic Number: 20

Valency = 2

Electronic Configuration : 2 , 8 , 8 , 2

21) Scandium (Sc)

Atomic Number: 21

Valency = 3

Electronic Configuration : 2 , 8 , 9 , 2

22) Titanium (Ti)

Atomic Number: 22

Valency = 4

Electronic Configuration : 2 , 8 , 10 , 2

23) Vanadium (V)

Atomic Number: 23

Valency = 5 , 4

Electronic Configuration : 2 , 8 , 11 , 2

24) Chromium (Cr)

Atomic Number: 24

Valency = 2

Electronic Configuration : 2 , 8 , 13 , 1

25)Manganese(Mn)

Atomic Number: 25

Valency = 7 , 4 , 2

Electronic Configuration : 2 , 8 , 13 , 2

26)Iron (Fe)

Atomic Number: 26

Valency = 2 , 3

Electronic Configuration : 2 , 8 , 14 , 2

27) Cobalt (Co)

Atomic Number: 27

Valency = 3 , 2

Electronic Configuration : 2 , 8 , 15 , 2

28)Nickel (Ni)

Atomic Number: 28

Valency = 2

Electronic Configuration : 2 , 8 , 16 , 2

29)Copper (Cu)

Atomic Number: 29

Valency = 2 , 1

Electronic Configuration : 2 , 8 , 18 , 1

30)Zinc(Zn)

Atomic Number: 30

Valency = 2

Electronic Configuration : 2 , 8 , 18 , 2

Thanks!

Hope that helped you!

Explanation: