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प्रश्न
Define the following form:
Atomic number
व्याख्या
उत्तर
The number of protons in the nucleus of an atom, which is characteristic of a chemical element and determines its place in the periodic table. Atomic number is also equal to numbers of electrons in an atom.
For example:
- Atomic number of carbon = 6
- Atomic number of nitrogen = 7
- Atomic number of oxygen = 8
- Atomic number of magnesium = 12
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