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sammy [17]
3 years ago
8

What are the principal energy level? And what do they represent?

Chemistry
1 answer:
Crazy boy [7]3 years ago
6 0

Answer:

the principal energy level of an electron refers to the shell or orbital in which the electron is located relative to the atoms nucleus. the first element in a period of the periodic table introduces a new principal energy level.

Explanation:

the electrons surrounding an atom are located in region around the nucleus called "energy level".

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