Which reason best explains why metals are shiny?
1 answer:
Answer:
Best:
because their valence electrons absorb light
Minor:
because their valence electrons move to higher energy levels
Explanation:
When the electrons absorb light, they absorb this energy and they have a tedency to jump and get promoted to the high energy level.
As a result, they release out energy after being promoted. This energy is in form of light
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Answer:
The correct answer to the question which statements about Avogadro’s Law is false is
c. At constant T and P, doubling the moles of gas decreases the volume by half.
Explanation:
Avogadro's law describes the relationship between the volume of a mass of gas and the number of moles present. Avogadro's law states that at standard (or the same) temperature and pressure, equal volumes od all gases contain equal number of molecules
That is mathematically
where
V₁ = volume of first sample
V₂ = volume of second sample
n₁ = number of moles in first sample
n₂ = number of moles in second sample