How many protons are in the nucleus of potassium-42?
A) 15
B) 19
C) 23
D) 42
Correct Answer:
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Q29: How many neutrons are in the nucleus
Q30: Which form of nuclear emission requires the
Q31: In which type of reaction does a
Q32: U-235 decays by alpha decay to produce
A)Pu-237
B)Th-233
C)Pu-239
D)Th-231
Q33: What type of emission causes C-14 to
Q35: Gamma radiation has a mass of
A)0
B)1 amu
C)2
Q36: How many protons are in the nucleus
Q37: A beta particle consists of
A)one proton.
B)one neutron.
C)one
Q38: Fr-220 decays by alpha decay to produce
A)Ac-216
B)At-216
C)Ac-224
D)At-224
Q39: What type of emission causes Pu-239 to
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