CLASS9 · Chemistry · Atom or Molecule
Exercise and reference answers
- Items
- Item
- He
- Answer
- left
- Item
- H₂
- Answer
- right
- Item
- Au
- Answer
- left
- Item
- H₂O
- Answer
- right
- Item
- Ne
- Answer
- left
- Item
- CO₂
- Answer
- right
- Categories
- Left
- Atom
- Right
- Molecule
- Instructions
- Sort each species: a lone atom or a molecule?