Question

What are shells or orbits
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Answer 1

ANSWER:-

Shell is the hard exoskeleton present in some animals that externally covers their body and thus provides support and protection to them. For example, calcareous shell present in the individuals of phylum mollusca.

Answer 2

Answer:

Hey there,

Explanation:

Electrons are constantly spinning in those atomic shells and those shells, or orbitals, are specific distances from the nucleus. 

Have a great day ahead!

Thanks : )