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प्रश्न
What are valence electrons?
उत्तर
Valence electrons: The number of electrons present in the valence shell is known as valence electrons.
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संबंधित प्रश्न
Name the subatomic particle whose relative charge is : –1
If an atom contains one electron and one proton, will it carry as a whole is neutral
Which sub-atomic particle was discovered by Chadwick.
Element X has electronic configurations 2, 8, 18, 8, 1. Without identifying X,
- Predict the sign and charge on a simple ion of X.
- Write if X will be an oxidizing agent or a reducing agent. Why?
An element A has 1 electron in its first shell. It combines with element B having 7 electrons in its third shell. What type of bond is formed?
In the formation of (i) oxygen molecule (ii) carbon tetrachloride molecule, state the following:
- Electronic configuration of nearest inert gas attained.
- How many electrons are shared/transferred in bond formation
- Which type of bonds these compounds form?
- Draw their orbital diagrams.
Explain in brief the experimental proof which led to the discovery of –
Electrons
The number of electrons in an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of the element?
Which of the following statement is always correct?
An atom has a number of orbits and each orbit has protons.