For the nuclear reaction, 2412Mg+1D2→α+?, the missing nucleide is:
2412Mg and 2612Mg are symbols of two isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
(i) the composition of their nuclei.
(ii) their electronic configurations.
(b) Give reasons why teh two isotopes of magnesium ahve different mass numbers.