According to kinetic molecular theory, the particles that compose a gas: According to kinetic molecular theory, the particles that compose a gas: do not attract or repel each other have an average kinetic energy inversely proportional to the temperature in kelvins are packed closely together−−nearly touching one another all of the above

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

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the answer is definitely c.