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Question

K and K^+ have different atomic number. State true or false. Justify your answer.

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Solution

Dear student
It is a false statement .
K and k+ have same atomic number but different number of electrons.
If K is Potassium n then K has atomic number 19 and x number of electron. K+ has atomic number 19 but number of electrons is x-1 as it looses one electron i.e. negative charge and gains one positive charge.
Regards
ā€‹ā€‹

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