Question

List of 30 elements with atomic mass atomic no and valency

Answer 1

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here's your answer !!

atomic no. elements. mass number

1. hydrogen. 1

2. helium. 4

3. lithium 7

4. berrylium 9

5. boron 11

6. carbon. 12

7. nitrogen. 14

8. Oxygen. 16

9. flourine 19

10. neon 20

11. sodium. 23

12. magnesium. 24

13. aluminium. 27

14. silicon. 28

15. phosphorus. 31

16. sulphur. 32

17. chlorine. 35.5

18. argon. 40

19. pottasium 39

20. calcium. 40

21. scandium

22. titanium

23. vanadium

24. chromium

25. manganese

26. iron

27. nickel

28. cobalt

29. copper

30. zinc