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Select the statement which explains the meaning of the symbol 6d5.


A. The principal quantum number (n) is 6, the angular momentum quantum number (ell) is 5, and there are 2 electrons in the subshell.

B. The principal quantum number (n) is 6, the angular momentum quantum number (ell) is 2, and there are 5 electrons in the subshell.

C. The principal quantum number (n) is 5, the angular momentum quantum number (ell) is 5, and there are 5 electrons in the subshell.

D. The principal quantum number (n) is 5, the angular momentum quantum number (ell) is 4, and there are 4 electrons in the subshell.

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Answer:

B. The principal quantum number (n) is 6, the angular momentum quantum number (ell) is 2, and there are 5 electrons in the subshell.

Explanation:

Given;

electronic configuration of 6d⁵

where;

6 in the configuration shows that, the principal quantum number (n) is 6

d is the subshell

d orbital has angular momentum quantum number (l) of 2

            s orbital, l = 0

            p orbital, l = 1

            d orbital, l = 2

            f orbital,  l = 3

5 in the configuration means that there are 5 electrons in the subshell

Therefore, 6d⁵ symbol means that "The principal quantum number (n) is 6, the angular momentum quantum number (ell) is 2, and there are 5 electrons in the subshell".

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