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प्रश्न
Correct the statement.
Elements in the same period have the same valency.
उत्तर
Elements in the same group have same valency.
संबंधित प्रश्न
Correct the statement.
Valency depends upon the number of shells in an atom.
According to atomic structure, what determines which element will be the first and which will be the last in a period?
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
What is its valency?
The electronic configuration of an element T is 2, 8, 8, 1.
What is the valency of T?
Explain why the following statement is not correct:
Atoms of elements in the same group have the same number of electron(s).
The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba. State the common feature in the electronic configuration.
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?
Arrange the following as per the instruction given in the bracket:
P, Si, F, Be (decreasing order of valence electrons)
Elements of group 1 and elements of group 17 both have valency 1. Explain.
