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Two elements X and Y belong to group 1 a...

Two elements X and Y belong to group 1 and 2 respectively in the same period of periodic table. Compare these elements with respect to
(i) number of electrons in their outermost orbits (ii) their valencies
(iii) metallic character (iv) their atomic size
(v) formula of their chlorides (vi) formula of their sulphates

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Two elements X and Y belong to group 1 and 2 respectively in the same period of the periodic table. Compare these elements with respect to : (i) number of electrons in their outermost orbit (ii) their valencies (iii) metallic character (iv) their atomic size (v) formula of their chlorides (vii) formula of their sulphates.

Two elements X and Y belong to Groups 1 and 2 respectively in the same period of the periodic Table .Compare these elements with respect to : Number of electrons in their outermost orbit .

Two elements X and Y belong to Groups 1 and 2 respectively in the same period of the periodic Table .Compare these elements with respect to : Their atomic size and their valancies .

Two elements X and Y belong to Groups 1 and 2 respectively in the same period of the periodic Table .Compare these elements with respect to : Formula of their chlorides and sulphates .