The electronic configuration of an element is 2, 8, 4. State its :
(a) group and period in the Modern Periodic Table.
(b) name and write its one physical property.
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Answer:
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Explanation:
Since the electronic configuration of given element is 2, 8, 4, it’s atomic number is 14 with having 4 valence electrons. Therefore,
(a) It belongs to third period and fourth group of the Modern Periodic Table.
(b) Name of this element is silicon (Si).
Physical properties of silicon: (Any one)
It is solid at room temperature.
It is a non-metal.
It has a very high melting point.
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group 14th this is morden group
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