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| Q. |
Number of neutrons in an atom of hydrogen is - |
| A. | One |
| B. | Zero |
| C. | Two |
| D. | Three |
| Answer» B. Zero | |
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Explanation: Neutrons are the particles in an atom that have a neutral charge. So, if an atom has equal numbers of electrons and protons, the charges cancel each other out and the atom has a neutral charge. Hydrogen (H) has 1 proton and 1 electron; it does not have any neutron in its nucleus. |
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