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प्रश्न
The electronic configuration of an element T is 2, 8, 8, 1.
What is the valency of T?
उत्तर
T needs to lose one electron to complete its octet; hence, its valency is 1.
संबंधित प्रश्न
The electronic configuration of an element T is 2, 8, 8, 1.
How many valence electrons are there in an atom of T?
Name the element which has a total of three shells with five electrons in its valence shell?
Name the element which has a total of four shells with two electrons in its valence shell?
Explain why the following statement is not correct:
Atoms of elements in the same group have the same number of electron(s).
Write scientific reason.
Elements belonging to the same group have the same valency.
On moving down a group, the number of valence electrons ______.
How does number of valence electrons vary on moving from left to right in the third period of a periodic table?
An element ‘A’ belongs to the third period and group 16 of the Periodic Table. Find out the valency of A.
Which one of the following elements exhibits a maximum number of valence electrons?
How does the number of valency vary on moving from left to right in the third period of the periodic table?
