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WAEC Physics 2019 Paper
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© africaexams.com
Question : 43
Total: 49
The nucleon and proton numbers of a neutral atom of an element are 238 and 92 respectively. Determine the number of neutrons in the atom.
119
330
165
146
Validate
Solution:
Neutron No (N) = 238 - 92
= 146
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