Atoms with the same atomic number and different mass numbers ________.
A) do not exist
B) are isomers
C) are isotopes
D) are allotropes
E) are resonance structures
Correct Answer:
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Q5: Which type of radioactive decay results in
Q6: Which one of the following is a
Q7: The formation of krypton from rubidium decay
Q8: Atoms containing radioactive nuclei are called _.
A)radionuclides
B)radioisotopes
C)nucleons
D)nuclides
E)radioisophores
Q9: Which one of the following is a
Q11: What radioactive element is used to diagnose
Q12: What happens to the mass number and
Q13: How many radioactive decay series exist in
Q14: Of the following processes,which one changes the
Q15: Carbon-11 decays by _.
A)alpha emission
B)beta emission
C)positron emission
D)photon
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