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Q.

Which of the following in the periodic table corresponds to the highest principal quantum number (n) of the elements is

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a

atomic number

b

period number

c

group number

d

None of these

answer is B.

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Detailed Solution

The period number corresponds to the highest principal quantum number (n) of the element.

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Which of the following in the periodic table corresponds to the highest principal quantum number (n) of the elements is