Chemistry, asked by ChatbounNili, 1 year ago

20 elements having atomic mass less than 50

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Answered by SandhuSaab48

Hydrogen, helium, lithium, beryllium, boron, carbon,nitrogen, oxygen, fulrine,neon,sodium, magnesium, aluminium, silicon, phosphate, sulphur, chlorine, argon,potassium, calcium.

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