What contributes to the calculation of the mass number?
A) sum of protons, neutrons, and electrons
B) sum of electrons and neutrons
C) sum of protons and electrons
D) sum of protons and neutrons
Correct Answer:
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Q5: The atomic number represents the number of:
A)
Q6: An atom of iron has an atomic
Q7: Which of the following is the same
Q8: Interpret what is meant by carbon -13.
A)
Q9: Two or more atoms of different elements
Q11: What predicts the element to which an
Q12: An atom has 3 electrons in its
Q13: Which of the following atoms is inert?
A)
Q14: Which subatomic particle carries a negative charge?
A)
Q15: What is meant by N2?
A) The atomic
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