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प्रश्न
What are valence electrons?
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उत्तर
Valence electrons: The number of electrons present in the valence shell is known as valence electrons.
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संबंधित प्रश्न
State whether the following statement is true or false :
The cathode rays obtained from all the gases consist of negatively charged particles called electrons.
Name the subatomic particle whose relative charge is : –1
What is the nature of the charge on Cathode rays .
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
If electrons are getting added to en element Y; then
What charge will Y migrate to during the process of electrolysis?
Explain the following:
Atoms combine by transfer and sharing of an electron(s).
Name or state the following:
Ion formed by the gain of an electron(s)
An element X has 2 electrons in its M shell, it forms a bond with an element Y which has 7 electrons in its third orbit.
- Write the formula of the compound formed.
- Which nearest inert gas electronic configuration will element X and Y acquire.
- Show by orbital diagram the formation of the compound between X and Y.
Give a reason why noble gases have a stable electronic configuration.
Atoms of all metals will have ______ electrons in their outermost orbit.
