lovelyheart5337
04.02.2021 •
Chemistry
Ughh please help me
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Ответ:
Substance 2
Explanation:
The stronger the intermolecular forces are, the more energy is required, so the higher the melting point is.
Ответ:
Substance 2
Explanation:
I know this because substances with a stronger molecular attraction are less susceptible to melting quicker than substances who have a weaker attraction with each particle. Therefore, substance 2, which melted after substance 1, has a stronger molecular attraction then substance 1.
(copy and paste above if you want)
Ответ:
For O: atomic number = 8 # neutrons = 8
For Al: atomic mass = 27, # electrons = 13