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प्रश्न
Define the term of mass number.
What is meant by the term mass number with reference to an atom
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उत्तर
Mass number [A]: “Is the total number of protons and neutrons in the atom of an element.”
A = P + n
संबंधित प्रश्न
A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of boron and 0.144 g of oxygen. Calculate the percentage composition of the compound by weight.
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