Two isotopes of potassium are K-37 and K-42. How many valence electrons are in an atom of K-42 in the ground state?

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Kasey Wiley

Chemistry

22 September, 11:13

Two isotopes of potassium are K-37 and K-42. How many valence electrons are in an atom of K-42 in the ground state?

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Rihanna Pace · Answer 1

An isotope is an element with a different number of neutrons. This will not affect the number of valence electrons. Potassium is in group IA (the alkali metals), which have one valence electron in their ground state.