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➷ It means that the electrons have absorbed extra energy
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So this can explain the density of a person very clearly.
By crushing the salt, you are performing a physical change because you aren't altering the chemical makeup of the salt, just the physical form. Hope this helps! :)
Explanation:
neon has 8valence electrons
chroline has 7 valence electrons
nitrogen has 5 valence electrons
oxygen has 6 valence electrons
so neon has the most valence elctrons
They separate because of different densities.