Which of the following are not noble gases: helium, sodium, neon, oxygen, argon, hydrogen, calcium, magnesium, lithium, boron, krypton, nitrogen, xenon, aluminium, radon.
The following are not noble gases - sodium, oxygen, hydrogen, calcium, magnesium, lithium, boron, nitrogen, aluminium.
### Instruction: Which of the following are not noble gases: helium, sodium, neon, oxygen, argon, hydrogen, calcium, magnesium, lithium, boron, krypton, nitrogen, xenon, aluminium, radon.
### Context: 
### Answer: The following are not noble gases - sodium, oxygen, hydrogen, calcium, magnesium, lithium, boron, nitrogen, aluminium.</s>