The answer would be:
D = M/V
D=Density
M= mass
V= volume
Because the proton has a mass of 1 and a neutron has a mass of 1, we know that there is exactly one proton in the nucleus (because of the atomic number) which therefore tells us there are no neutrons as adding one would make the mass more than one.
This is a physical change.
Answer:
ICI 204448 hydrochloride | C23H27Cl3N2O4 | CID 129407 - structure, chemical names, physical and chemical properties, classification, patents, literature, etc...
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Chlorine would become a liquid. Its boiling point is around -34 Celsius so at any temperature below that it would be liquid.
