Chemistry · Oct / Nov 2019 · Paper 11 · Question 4
5070Simple molecules and covalent bonds
Which three elements exist as diatomic molecules at room temperature?
- Ahydrogen, oxygen, helium
- Bnitrogen, chlorine, neon
- Cnitrogen, oxygen, fluorine
- Doxygen, chlorine, helium
As printed in the paper
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Correct answer: C. nitrogen, oxygen, fluorine
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