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प्रश्न
Match the atomic number with the following:
A gaseous element with valency 2.
विकल्प
19
15
8
4
2
उत्तर
8
संबंधित प्रश्न
Correct the statement.
Valency depends upon the number of shells in an atom.
The electronic configuration of an element T is 2, 8, 8, 1.
What is the valency of T?
Name the element which has a total of four shells with two electrons in its valence shell?
Name the element of period 3 with valency 4.
Write scientific reason.
Elements belonging to the same group have the same valency.
How does number of valence electrons vary on moving from left to right in the third period of a periodic table?
Which one of the following elements exhibits a maximum number of valence electrons?
Arrange the following as per the instruction given in the bracket:
P, Si, F, Be (decreasing order of valence electrons)
Correct the statement.
Elements in the same period have the same valency.
Answer the following in respect of element \[\ce{_16^32S}\].
What is its valency?
