anonymous
  • anonymous
Will medal! Which of the following atoms contains the same number of neutrons as an atom of Calcium-40 a. Potassium-40 b. Sandium-44 c. Argon-38 d. Chlorine-36
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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whpalmer4
  • whpalmer4
Look up calcium in the periodic table and find its atomic number. That is the number of protons. Subtract that from 40 to get the number of neutrons (40 is the approximate atomic mass, or protons + neutrons). Now do the same with your answer choices, and pick the one where you get the same number of neutrons. That's your answer.
anonymous
  • anonymous
balls in my throat

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