CSEC Chemistry · May/June 2017 · Paper 1 · Question Q31
An atom with atomic structure ^{27}_{13}\text{X} contains
- (A)14 protons, 13 neutrons
- (B)13 protons, 27 neutrons
- (C)13 protons, 14 neutrons
- (D)27 protons, 13 neutrons
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