The mass number of an atom is determined by the combined masses of its ____.
A) neutrons and protons
B) neutrons and electrons
C) protons and electrons
D) protons, neutrons, and electrons
E) neutrons, nucleus, and electrons
Correct Answer:
Verified
Q9: In the chemical shorthand,14C,the 14 represents the
Q10: The nucleus of an atom contains _.
Q11: A(n)_ is a strong mutual attraction between
Q12: When can we say that atom has
Q13: How does the energy of an electron
Q15: The _ of an atom have a
Q16: Isotopes of atoms _.
A) have the
Q17: The radioisotope 14C can be used as
Q18: Isotopes of an element are differentiated by
Q19: All isotopes of an element have a
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