Elements X and Y react together to make an ionic compound. Atoms of X contain more protons than atoms of Y. Atoms of Y contain more valence electrons than atoms of X. Which statement is correct?
- AIons of X are negatively charged.
- BAtoms of X have more electron shells than atoms of Y.
- CX and Y are in the same period of the Periodic Table.
- DX and Y are in the same group of the Periodic Table.