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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.
Name the element which has a total of three shells with five 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.
On moving down a group, the number of valence electrons ______.
Sodium and aluminum have atomic numbers 11 and 13, respectively. They are separated by one element in the periodic table and have valencies 1 and 3 respectively. Chlorine and potassium are also separated by one element in the periodic table (their atomic numbers being 17 and 19, respectively) and yet both have valency 1. Explain.
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?
Elements of group 1 and elements of group 17 both have valency 1. Explain.
How does the number of valency vary on moving from left to right in the third period of the periodic table?
