Atoms, Elements, Molecules, Compounds

Atoms, Elements, Molecules, Compounds

Multiple Choice

Which substance is not an element?

• Neon (Ne)

• Oxygen (O₂)

• Carbon dioxide (CO₂)

• Iron (Fe)

Multiple Choice

Which substance is a compound?

• Neon (Ne)

• Oxygen (O₂)

• Carbon Dioxide (CO₂)

• Nitrogen (N₂)

Multiple Choice

Which substance is not a molecule?

• Neon (Ne)

• Oxygen (O₂)

• Carbon Dioxide (CO₂)

• Nitrogen (N₂)

Multiple Choice

Is Sodium (Na) an element or a compound?

• Element

• Compound

Multiple Choice

Is Sodium Chloride (NaCl) an element or compound?

• Element

• Compound

Multiple Choice

Is Iron (Fe) an atom or a molecule?

• Atom

• Molecule

Multiple Choice

Is Chlorine (Cl₂) an atom or a molecule?

• Atom

• Molecule