atomic masses of some of the most important elements class 10 science
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no need to learn mass no. just learn nucleons and then u can find protons, electron,neutrons
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You have to learn the atomic masses of first 20 elements in order to solve your problems. Here they are
Hydrogen: 2
Helium: 4
Lithium: 7
Beryllium: 9
Boron: 11
Carbon:12
Nirogen:14
Oxygen:16
Fluorine: 18
Neon:20
Sodium:23
Magnesiu24
Aluminium :27
Silicon:28
Phosphor31s:
Sulphur:32
Chlorine:35
Argon: 40
Potassium39
Calcium:40
Hope it helps you.
Hydrogen: 2
Helium: 4
Lithium: 7
Beryllium: 9
Boron: 11
Carbon:12
Nirogen:14
Oxygen:16
Fluorine: 18
Neon:20
Sodium:23
Magnesiu24
Aluminium :27
Silicon:28
Phosphor31s:
Sulphur:32
Chlorine:35
Argon: 40
Potassium39
Calcium:40
Hope it helps you.
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