Which row states the type of bonding found in substances 1 and 2?
- Asubstance 1: methane has ionic bonding; substance 2: graphite has covalent bonding
- Bsubstance 1: graphite has ionic bonding; substance 2: potassium chloride has covalent bonding
- Csubstance 1: potassium chloride has ionic bonding; substance 2: methane has covalent bonding
- Dsubstance 1: potassium chloride has ionic bonding; substance 2: graphite has ionic bonding