Potassium (K) has an atomic number of 19. It often forms an ion by losing 1 electron. How many electrons would the ion have?A.+1B.-1C.18D.20SUBMITarrow_backPREVIOUS
Question
Potassium (K) has an atomic number of 19. It often forms an ion by losing 1 electron. How many electrons would the ion have?A.+1B.-1C.18D.20SUBMITarrow_backPREVIOUS
Solution
Potassium (K) has an atomic number of 19, which means it has 19 electrons in its neutral state. When it forms an ion by losing 1 electron, the number of electrons would be 19 - 1 = 18. So, the answer is C.18.
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