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Question
An element E has following electronic configuration:
|
K |
L |
M |
|
2 |
8 |
6 |
(a) To which group of the periodic table does element E belong?
(b) To which period of the periodic table does element E belong?
(c) State the number of valence electrons present in element E.
(d) State the valency of the element E.
Solution
(a) The element E belongs to group 16.
(b) The element E belongs to the 3rd period.
(c) The element E has 6 valence electrons.
(d) The element E has a valence of +6 or −2.
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