CHALLENGE MISSIONionic, covalent, and metallic bonding

ionic, covalent, and metallic bonding

Substance X conducts as a solid and is malleable. Y does not conduct as a solid but conducts when molten. Which pairing is plausible?

MODELBond Model Kit

RXN

PROVEChoose with evidence

CLUE

Pause. Find what matters. Then make your move.