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प्रश्न
Choose the correct option
The number of valence electrons in O2- is :
पर्याय
6
8
10
4
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उत्तर
6
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संबंधित प्रश्न
Fill in the blanks of the following statements :
An atom has atomic mass number 23 and atomic number 11. The atom has_________ electrons.
Cathode rays are a beam of fast moving _________
The maximum number of electrons that can be accommodated in L shell are_________
The maximum number of electrons that can go into the M shell is _________
What are cathode rays? How are these rays formed?
Write down the electronic configuration of the following:
(a) `""_13^27"Y"`
(b) `""_17^35"Y"`
What are valence electrons?
If electrons are getting added to en element Y; then
Is Y getting oxidized or reduced?
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.
Cathode rays are made up of
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?
All non–metals will have ______ electrons in the outermost orbit of their atoms.
