Classify each of the following pure substances as an element or a compound.
methane (CH4) in natural gas
a silicon (Si) chip
hydrogen peroxide (H202)
oxygen gas (0,)
Rust (Fe2O3
methane (CH4) in natural gas - compound
a silicon (Si) chip - element
hydrogen peroxide (H202) - compound
oxygen gas (O2) - element
Rust (Fe2O3) - compound
- Methane (CH4) in natural gas: Compound
- Silicon (Si) chip: Element
- Hydrogen peroxide (H2O2): Compound
- Oxygen gas (O2): Element
- Rust (Fe2O3): Compound