Q: What is the term for the use of two or more lewis structures to represent the covalent bonding in a molecule? A:
OPTIONS:
- reaction
- harmony
- frequency
- resonance

Answer: resonance

Q: What substance is created when a copper turns from reddish brown to greenish brown? A:
OPTIONS:
- rust
- copper alloy
- iron oxide
- copper oxide

Answer: copper oxide

Q: Another name for table salt is? A:
OPTIONS:
- hydrogen chloride
- carbon chloride
- dioxide chloride
- sodium chloride

Answer:
sodium chloride