Question

how many Mg atoms are there in 96u Mg??

Answer 1

Answer:

4 atoms only

Explanation:

1 atom of Mg weight 24u [while 6.022*10^23 atoms weight 26 gram]  

so 4 atoms of MG will weight 96 u [4 * 24 = 96]

many people do a blunder while solving this they asume that 1u = 1gram but this is not at all true

gram is defined for moles while u is defined for atoms, they both are only numarically equal i.e: if i asume xu and y grams then only x = y not xu = y gram

Answer 2

     96 u has only mg atoms in it which say to be a good gg