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Question
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
Options
22
23
21
20
Solution
23
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RELATED QUESTIONS
State whether the following statement is true or false :
The cathode rays obtained from all the gases consist of negatively charged particles called electrons.
All the gases from cathode rays and anode rays when electricity is passed through them :What does the formation of cathode rays tell us about the atoms?
What are cathode rays? How are these rays formed?
Choose the correct option
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If electrons are getting added to en element Y; then
What charge will Y migrate to during the process of electrolysis?
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Atoms combine by transfer and sharing of an electron(s).
Differentiate between the following term:
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Cathode rays are made up of
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