Question

Two elements X and Y belong to group 1 and 17 respectively in the same period. Compare them with respect to:
a) the number of valence electrons
b) valency
c) metallic character
d) size of the atoms
e) formulae of their oxides and chlorides​

Answer 1

Answer:

Two vessels of equal capacity contain equal masses of oxygen and ozone

respectively at same temperature. Which one will have larger number of

molecules?

Explanation:

Two elements X and Y belong to group 1 and 17 respectively in the same period. Compare them with respect to:

a) the number of valence electrons

b) valency

c) metallic charaTwo elements X and Y belong to group 1 and 17 respectively in the same period. Compare them with respect to:

a) the number of valence electrons

b) valency

c) metallic character

d) size of the atoms

e) formulae of their oxides and chlorides​