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प्रश्न
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
विकल्प
22
23
21
20
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उत्तर
23
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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 _________
Name the sub-atomic particle whose charge is -1.
Choose the correct option
The number of valence electrons in O2- is :
If electrons are getting added to en element Y; then
Is Y getting oxidized or reduced?
Name or state the following:
A bond formed by transfer of electron(s)
Name or state the following:
Ion formed by the gain of an electron(s)
Explain in brief the experimental proof which led to the discovery of –
Electrons
_______ is a negatively charged particle.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
