Chemistry, 27.09.2019 12:00 vickie2370
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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What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol
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Two isotopes of potassium are k-37 and k-42. how many valence electrons are in an atom of k-42 in th...
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