The atomic mass of a proton is
A) 0 atomic mass units.
B) 2 atomic mass units.
C) 1 atomic mass units.
D) -1 atomic mass units.
Correct Answer:
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Q4: Low levels of radiation are commonly used
Q5: Atoms with more than one shell are
Q6: Which subatomic particle determines the chemical activity
Q7: The positively charged particles in the nucleus
Q8: The smallest unit of matter is the
A)molecule.
B)atom.
C)compound.
D)isotope.
Q10: If the atomic number of an element
Q11: Which is characteristic of an ion?
A)Contains an
Q12: Compared to "regular" isotopes,radioactive isotopes
A)emit energy from
Q13: What makes an isotope radioactive?
A)It has more
Q14: Which of the following subatomic particles are
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