The mass number of an element is
A) the sum of the protons and the neutrons.
B) the sum of the electrons and the protons.
C) the sum of the electrons and the neutrons.
D) the sum of the isotopes.
E) the number of protons.
Correct Answer:
Verified
Q51: What does the following element description
Q52: The following statement describes which subatomic particle
Q53: Which of the following does not describe
Q54: Which element has the atomic number 9?
A)F
B)Ne
C)B
D)Na
E)Be
Q55: The following statement describes which subatomic particle
Q57: What does the following element description actually
Q58: Which of the following statements does not
Q59: What does the following element description actually
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Q61: Which of the following elements is in
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