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Nuclei tend to have more neutrons than protons at high mass numbers because:
(1) Neutrons are neutral particles
(2) Neutrons have more mass than protons
(3) More neutrons minimize the coulomb repulsion
(4)Neutrons decrease the binding energy
Ans: Neutrons have more mass than protons
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Question .. #
why ionisation energy of aluminium is greater then Ga?
The mass number of an anion, X 3- is 14. If there are ten electrons in the anion, the number of neutrons in the nucleus of atom, X 2 of the element will be: (1) 10
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