Chemistry · May / June 2016 · Paper 12 · Question 8
5070Simple molecules and covalent bonds
Ethene, C2H4, is a covalent compound with a simple molecular structure. Which statement about ethene is correct?
- AEthene is a liquid at room temperature and pressure.
- BLiquid ethene conducts electricity.
- COne ethene molecule contains sixteen protons.
- DThe total number of shared pairs of electrons in ethene is five.
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Correct answer: C. One ethene molecule contains sixteen protons.
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