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    Exam 2: Atoms and Elements
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    How Many Protons (P)and Neutrons (N)are in an Atom Of\({ } _ { 38 } ^ { 90 } \mathrm { Sr }\)
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How Many Protons (P)and Neutrons (N)are in an Atom Of 3890Sr{ } _ { 38 } ^ { 90 } \mathrm { Sr }3890​Sr

Question 81

Question 81

Multiple Choice

How many protons (p) and neutrons (n) are in an atom of 3890Sr{ } _ { 38 } ^ { 90 } \mathrm { Sr }3890​Sr ?


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

Correct Answer:

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