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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 :
पर्याय
22
23
21
20
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उत्तर
23
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संबंधित प्रश्न
What are cathode rays? How are these rays formed?
Give the symbol and charge of each particle.
Explain the rule according to which electrons are filled in various energy levels.
What are inert elements?
Choose the correct option
The number of valence electrons in O2- is :
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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)
Cathode rays are made up of
Select the INCORRECT statement.
