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Q. |
The atomic number of a certain element is 83. An atom of this element must contain |
A. | 42 protons and 41 electrons |
B. | 83 neutrous |
C. | 1 neutron, 41 electrons and 41 protons |
D. | 83 electrons |
E. | None of the above is valid |
Answer» D. 83 electrons |
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