Give the symbols for:

(i) a metal of group 2


(ii) a metal of group 13


(iii) two non-metals of group 16


(iv) most reactive non-metal group 17.

(i) Mg.

(ii) Al.


(iii) O and S.


(iv) Most reactive non-metal of group 17 is fluorine because its electronegativity is more. Its symbol is F.


17