Question

describe the period with electrons in the shells K,L and M​

Answer 1

Answer:

hiii

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Step-by-step explanation:

Third period is the period which contains electrons in K, L, M shells. Distribution of electrons in these shells will be as 2 electrons in K shell, 8 electrons in L shell and 18 electrons in M shell. ... For example, atomic number of aluminium is 13 and it belongs to third period

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Answer 2

Answer:

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Step-by-step explanation:

Explanation: Third period is the period which contains electrons in K, L, M shells. Distribution of electrons in these shells will be as 2 electrons in K shell, 8 electrons in L shell and 18 electrons in M shell. ... For example, atomic number of aluminium is 13 and it belongs to third period.