# Two Elements ‘P’ and ‘Q’ Belong to the Same Period of the Modern Periodic Table and Are in Group 1 and Group 2, Respectively. Compare Their Following Characteristics in Tabular Form - Science

Two elements ‘P’ and ‘Q’ belong to the same period of the modern periodic table and are in Group 1 and Group 2, respectively. Compare their following characteristics in tabular form:-

(a) The number of electrons in their atoms

(b) The sizes of their atoms

(c) Their metallic character

(d) Their tendencies to lose electrons

(e) The formula of their oxides

(f) The formula of their chlorides

#### Solution

 Characteristic Comparison a The number of electrons in their atoms The number of electrons in Q is more compared to P (Q > P). b The sizes of their atoms The size of atom P is more than atom Q (P > Q). c Their metallic character P is more metallic than Q (P > Q). d Their tendencies to lose electrons P will lose electrons more easily than Q. e The formula of their oxides Oxide of P is P2O. Oxide of Q is QO. f The formula of their chlorides Chloride of P is PCl. Chloride of Q is QCl2.
Concept: Periodic Properties
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