22Mg24 and 22Mg26 are symbols of two isotops of magnesium.
A. Compare the atoms of these isotopes with respect to:
1) composition of their nuclei
2) there electronic configuration
B. Give reason why the two isotopes of magnesium have different mass numbers
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.