An element belongs to third period and second group of the periodic table:

CBSE Class 10 CBSE Class 10 Science
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1

An element belongs to third period and second group of the periodic table:
(a) State number of valence electrons in it
(b) Is it a metal or a non-metal ?
© Name the element.
(d) Write the formula of its oxide.

2

(a)2 valence electrons
(b) Metal
© The element is Magnesium
(d)Magnesium oxide, MgO