How many protons and neutrons are in 
Sn?
A) 50 p and 169 n
B) 50 n and 69 p
C) 50 n and 119 p
D) 50 p and 69 n
E) none of the above
Correct Answer:
Verified
Q43: In a nuclear equation:
A)the daughter nuclide appears
Q49: Radioactive elements are used for:
A)medical diagnosis.
B)medical treatment.
C)determining
Q51: A patient having radiotherapy uses radioactivity to
Q51: How many protons and neutrons are in
Q52: What is the main product when
Q53: How many protons and neutrons are in
Q56: How was radioactivity discovered?
A)Rutherford was investigating the
Q57: Which statement about alpha particles is FALSE?
A)symbol
Q60: Who discovered radioactivity?
A)Antoine Becquerel
B)Pierre Curie
C)Marie Curie
D)Ernest Rutherford
E)Benjamin
Q75: Which of the following is NOT a
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