Question

write 1 to 30 elements valency and valence electrons

Answer 1

Explanation:

Valence

1 Hydrogen (-1), +1

2 Helium 0

3 Lithium +1

4 Beryllium +2

5 Boron -3, +3

6 Carbon (+2), +4

7 Nitrogen -3, -2, -1, (+1), +2, +3, +4, +5

8 Oxygen -2

9 Fluorine -1, (+1)

10 Neon 0

1 Sodium +1

12Magnesium +2

13Aluminum +3

14Silicon -4, (+2), +4

15Phosphorus -3, +1, +3, +5

16Sulfur -2, +2, +4, +6

17Chlorine -1, +1, (+2), +3, (+4), +5, +7

18Argon 0

19Potassium +1

20Calcium +2

21Scandium +3

22Titanium +2, +3, +4

23Vanadium +2, +3, +4, +5

24Chromium +2, +3, +6

25 Manganese +2, (+3), +4, (+6), +7

26 Iron +2, +3, (+4), (+6)

27 Cobalt +2, +3, (+4)

28 Nickel (+1), +2, (+3), (+4)

29 Copper +1, +2, (+3)

30 Zinc +2