Ques no. 15 s fast

​Q15. Two elements 'P' and 'Q' belong to the same period of the Modern Periodic T able and are in Group -I and Group - 2 respectively. Compare their following characteristics its tabular form:

    (a) The number of valence electrons in their atoms

    (b) The sizes of their atoms

    (c) Their metallic characters

    (d) Their tendencies to lose electrons

    (e) The formula of their oxides 

    (f) The formula of their chlorides