Question

Magnesium is two times heavier than C-12 atom what shall be the mass of Mg atom in the terms of atomic mass units ? ( Given mass of C-12 atom =12)

Answer 1

Magnesium's atomic mass will be 2 x 1.66 x 10⁻²⁷ kg = 3.32 x 10⁻²⁷ kg, which is equal to 12 x 2 = 24 atomic mass units
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Answer 2

Atomic mass of carbon 12 atom = 12 u let mass of aluminium atom be x then according to the statement x=2(mass of carbon 12 atom) x = 2*12 x =24 u hence ...