Question

Can you say the mass number for first 30 elements in periodic table in order? ​

Answer 1

Explanation:

1. H=1
2. He=2
3. Li=6
4. Be=9
5. B=10
6. C=12
7. N=14
8. O=16
9. F=19
10. Ne=20
11. Na=23
12. Mg=24
13. Al=27
14. Si=28
15. P=31
16. S=32
17. Cl=35
18. Ar=39
19. K=39
20. Ca=40
21. Sc=45
22. Ti=47
23. V=50
24. Cr=52
25. Mn=54
26. Fe=55
27. Co=58
28. Ni=58
29. Cu=63
30. Zn=65

I simply mentioned the elements symbols and mass numbers.

hope helps u!!!

Answer 2

Hydrogen

Helium

Lithium

berylium

Boron

carbon

Nitrogen

Oxygen

fluorine

neon

sodium

magnesium

aluminium

silicon

sulphur

phosphorus

sulphur

chlorine

Argon

potassium

calcium

scandium

Titanium

vanadum

chromium

magnesium

iron

Cobalt

Nickel

copper

zinc