what is the mass of Mg, Na. According to modern periodic table ?
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Mass of Mg is 24.305 u
Mass of Na is 22.989769 u
Mass of Na is 22.989769 u
Anu726:
can we write Na's mass as 23 ?
yes of course
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Answered by
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mass of NA is 22.99 and Mg is 24.305
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