Question

Atomic number of the elements​

Answer 1

Answer:

Atomic Numbers

1A 2A 3A 4A 5A 6A 7A 8A

(1) (2) (13) (14) (15) (16) (17) (18)

3B 4B 5B 6B 7B — 8B — 1B 2B

(3) (4) (5) (6) (7) (8) (9) (10) (11) (12)

1 1 2

2 3 4 5 6 7 8 9 10

3 11 12 13 14 15 16 17 18

4 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

5 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

6 55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86

7 87 88 89 104 105 106 107 108 109 110 111 112 — 114 — — — —

6 58 59 60 61 62 63 64 65 66 67 68 69 70 71

7 90 91 92 93 94 95 96 97 98 99 100 101 102 103

Answer 2

ANSWER:

the atomic number is the number of proton in the nucleus of an atom. The number of proton define the identity of an element