Question

Give symbols for:
(a) A metal belonging to the second group of the periodic table.
(b) Most reactive alkali metal.
(c) A non-metal having same number of valence electrons as sulphur.
(d) A metal having properties similar to magnesium.
(e) A metal present in second group and third group of the periodic table.
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Answer 1

a) Be, Mg ,Ca,Se, Ba,Ta

b)cesium (Cs)

c)oxygen(0)

d)iron (Fe)

e) calcium and scandium