How Many Protons (P)and Neutrons (N)are in an Atom of Strontium-90

question 22

Multiple Choice

How many protons (p) and neutrons (n) are in an atom of strontium-90?

• A) 38 p, 52 n
• B) 38 p, 90 n
• C) 52 p, 38 n
• D) 90 p, 38 n

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