Advertisements
Advertisements
प्रश्न
Correct the statement.
Valency depends upon the number of shells in an atom.
उत्तर
Valency depends upon the number of valence electrons in an atom.
संबंधित प्रश्न
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.
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?
How does number of valence electrons vary on moving from left to right in the third period of a periodic table?
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.
The valence shell of element A contains 3 electrons while the valence shell of element B contains 6 electrons. If A combines with B, the probable chemical formula of the compound is ______
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?
