CSEC Chemistry · May/June 2013 · Paper 1 · Question Q2
Which TWO of the following features are true about the arrangement of electrons, protons and neutrons in an atom? I. Protons and neutrons are found in the nucleus. II. Electrons can be found anywhere outside the nucleus. III. The number of protons always equals the number of neutrons. IV. The number of protons always equals the number of electrons.
- (A)I and III only
- (B)I and IV only
- (C)II and III only
- (D)II and IV only
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