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प्रश्न
Explain why the following statement is not correct:
Atoms of elements in the same group have the same number of electron(s).
उत्तर
No two elements have the same number of electrons instead atoms of the same elements in the same group have the same number of valence electrons.
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?
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 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?
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.
Arrange the following as per the instruction given in the bracket:
P, Si, F, Be (decreasing order of valence electrons)
An element has 2 electrons in its N shell.
What is the valency of this element?
