Which of the following is sometimes used in diagnostic imaging?
A) a radioisotope.
B) a proton.
C) an ion.
D) an atom.
E) a gamma ray.
Correct Answer:
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Q11: Positively charged subatomic particles are called
A) protons.
B)
Q12: The mass number represents the number of
A)
Q13: Atoms of the same element but containing
Q14: Which of the following is the most
Q16: The branch of science that deals with
Q17: When electrons are shared between one atom
Q18: Which of the following is a characteristic
Q19: Ions with a negative charge are called
A)
Q22: If two pairs of electrons are shared
Q30: Which of the following is a weak
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