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प्रश्न
Fill in the following blanks in respect of an atom of an element
No. of protons | No. of neutron | Mass number | Atomic number | No. of electrons | Symbol |
11 | 12 | ___________ | ___________ | ___________ | ________ |
उत्तर
No. of protons | No. of neutron | Mass number | Atomic number | No. of electrons | Symbol |
11 | 12 | 23 | 11 | 11 | Na |
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