science
Grade-9
Easy
Question
The number of electrons present outside the nucleus that revolves around it is called
- Atomic number
- Mass number
- Electronic configuration
- Electric charge
Hint:
The number of electrons that is present in the orbits of an atom is the atomic number.
The correct answer is: Atomic number
- The electrons are evolved around the nucleus in a circular manner.
- The number of electrons around the nucleus in an atom is the atomic number.
- The atomic number is referred to the number of protons present in the nucleus of an atom.
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