Question

Exact mass number and atomic number of first 30 elements

Answer 1

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Here's your answer!!

Element Atomic number Atomic mass
Hydrogen (1) 1
Helium (2) 4
Lithium (3) 6.94
Beryllium (4) 9.01
Boron (5) 10.81
Carbon (6) 12.01
Nitrogen (7) 14.01
Oxygen (8) 15.99
Fluorine (9) 19
Neon (10) 20.18
Sodium (11) 22.99
Magnesium (12 ) 25.31
Aluminium (13) 26.98
Silicon (14) 28.09
Phosphorus (15) 30.97
Sulphur (16) 32.07
Chlorine (17) 35.45
Argon (18 ) 39.95
Potassium (19) 39.10
Calcium (20) 40.08
Scandium (21 ) 44.96
Titanium (22) 47.87
Vanadium (23) 50.94
Chromium (24) 52
Manganese (25) 54.94
Iron (26) 55.85
Cobalt (27) 58.93
Nickel (28) 58.69
Copper (29) 63.55
Zinc (30) 65.41

$hope \: it \: helps \: you.$
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