Please tell the mass number of element from 1 to 30 in round of.
Answers
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
Answer:
mass of hydrogen in is 1 mass of helium is 4 mass of lithium is 7 mass of beryllium is 9 mass of boron is 11 mass of carbon is 14 mass of nitrogen is also 14 mass of oxygen is 16 mass of neon is 19 mass of fluorine is 20 mass of sodium is 22 mass of magnesium is 24 mass of aluminium is 27 mass of silicon is 28 mass of Phosphorus is 31