Question

I want first 30 names of element with atomic masses and atomic element

Answer 1

Element

 

Atomic Number

 

Atomic Mass

 

Valency

Hydrogen

 

1

 

1.0079

 

(-1), +1

Helium

 

2

 

4.0026

 

0

Lithium

 

3

 

6.941

 

+1

Beryllium

 

4

 

9.0122

 

+2

Boron

 

5

 

10.811

 

-3, +3

Carbon

 

6

 

12.0107

 

(+2), +4

Nitrogen

 

7

 

14.0067

 

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

Oxygen

 

8

 

15.9994

 

-2

Fluorine

 

9

 

18.9984

 

-1, (+1)

Neon

 

10

 

20.1797

 

0

Sodium

 

11

 

22.9897

 

+1

Magnesium

 

12

 

24.305

 

+2

Aluminum

 

13

 

26.9815

 

+3

Silicon

 

14

 

28.0855

 

-4, (+2), +4

Phosphorus

 

15

 

30.9738

 

-3, +1, +3, +5

Sulfur

 

16

 

32.065

 

-2, +2, +4, +6

Chlorine

 

17

 

35.453

 

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

Argon

 

18

 

39.0983

 

0

Potassium

 

19

 

39.948

 

+1

Calcium

 

20

 

40.078

 

+2

Scandium

 

21

 

44.9559

 

+3

Titanium

 

22

 

47.867

 

+2, +3, +4

Vanadium

 

23

 

50.9415

 

+2, +3, +4, +5

Chromium

 

24

 

51.9961

 

+2, +3, +6

Manganese

 

25

 

54.938

 

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

Iron

 

26

 

55.845

 

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

Nickel

 

27

 

58.6934

 

+2, +3, (+4)

Cobalt

 

28

 

58.9332

 

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

Copper

 

29

 

63.546

 

+1, +2, (+3)

Zinc

 

30

 

65.39

 

+2

IT WAS DIFFICULT TO WRITE FOR ME SO I WRITE IT LIKE THIS HOPE YOU WILL UNDERSTAND....   ; )