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: (a) number of electrons in their outermost orbit (b) their valency (c) metallic character (d) their atomic size (e) formula of their chlorides (f) formula of their sulphates.
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a) Y will have a more electron in outer most shell than X
b) X=1 , Y=2
c) X is more metallic than Y
d) X is greater in size than Y
e) XCl and YCl2
f) X2SO4 and YSO4
b) X=1 , Y=2
c) X is more metallic than Y
d) X is greater in size than Y
e) XCl and YCl2
f) X2SO4 and YSO4
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