Chemistry, asked by fhfvn, 9 months ago

what is the mass number of first 36 elements of perodic table.

Answers

Answered by TheDivineSoul
13

Answer:

the mass number of the first 36 elements of the periodic table is there situated in the periodic table itself the lower part of East block of the element refers to the mass number only

Answered by TrickYwriTer
8

Explanation:

H - 1

He - 4

Li - 7

Be - 9

B - 11

C - 12

N - 14

O - 16

F - 19

Ne - 20

Na - 23

Mg - 24

Al - 27

Si - 28

P - 31

S - 32

Cl - 35.5

Ar - 40

K - 39

Ca - 40

Sc - 45

Ti - 47

V - 51

Cr - 52

Mn - 55

Fe - 56

Co - 58.93

Ni - 58.69

Cu - 63.5

Zn - 65

Ga - 69

Ge - 72

As - 75

Se - 78.96

Br - 79

Kr - 83

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