Mole concept full explain
And atom and molecoles
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The universe is made up of atoms, which contain protons (positively charged particles), neutrons (particles with no charge), and electrons (negatively charged particles). ... Molecules are formed when two or more atoms bond together. If molecules contain atoms of different elements, that substance is known as a compound.
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Explanation:
n= m/M m=M*n M = m* avegadros no. avegadroes no. = 6.022*10*23
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