Chemistry · May / June 2021 · Paper 12 · Question 8

The table shows data for particles W, X, Y and Z. | particle | proton number | nucleon number | number of electrons | |---|---|---|---| | W | 6 | 12 | 6 | | X | 6 | 14 | 6 | | Y | 7 | 14 | 7 | | Z | 8 | 16 | 10 | Which statements are correct? 1 W and X are isotopes of the same element. 2 Y is in Group V of the Periodic Table. 3 Z is a cation.

1. A1 and 2
2. B1 and 3
3. C1 only
4. D2 and 3

As printed in the paper