How Many Protons, Neutrons, and Electrons Does the Atom ³⁹K

question 12

Multiple Choice

How many protons, neutrons, and electrons does the atom ³⁹K have?

• A) 20 protons, 19 neutrons, 20 electrons
• B) 19 protons, 19 neutrons, 39 electrons
• C) 20 protons, 20 neutrons, 19 electrons
• D) 19 protons, 19 neutrons, 19 electrons
• E) 19 protons, 20 neutrons, 19 electrons

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