Question

.2 Two elements X and Y belong to group 1 and 2 respectively in the same period of

periodic table. Compare them with respect to:

(i) the number of valence electrons in their atoms;

(ii) their valencies;

(iii) metallic character;

(iv) the sizes of their atoms;

(v) the formulae of their oxides;

(vi) the formulae of their chlorides. op​

Answer 1

Answer:

.2 Two elements X and Y belong to group 1 and 2 respectively in the same period of

periodic table. Compare them with respect to:

(i) the number of valence electrons in their atoms;

(ii) their valencies;

(iii) metallic character;

(iv) the sizes of their atoms;

(v) the formulae of their oxides;

(vi) the formulae of their chlorides. op