1.

A Student scored 18 mark out of 25 marks in the first test of math. In the second test he scored 22 marks in the second test exceeds his his first test by ​

Answer»

ong>Answer:

The closest SHELL to the nucleus is CALLED the "1 shell" (also called the "K shell"), followed by the "2 shell" (or "L shell"), then the "3 shell" (or "M shell"), and so on farther and farther from the nucleus.



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