QUE1. What are units? Write SI units for the seven fundamental quantities.
Calculate the number of atoms in each of the following. i) 52 moles of Argon ii)52
u of Helium iii) 52 g of Helium
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A unit is a standard with which any unknown quantity is measured. Seven fundamental SI units are length (metrer)time (second) electric current (ampere)temperature (kelvin)amount of substance (mole)luminous intensity (candela).
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