An atom contains 12 neutrons and 14 electrons. The mass number and the number of protons for this atom are, respectively, ________.
A) 14 and 26
B) 40 and 14
C) 26 and 14
D) 26 and 12
Correct Answer:
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Q17: What is the total number of O
Q18: Which of the following pairs of subatomic
Q19: The nucleus of an atom _.
A) contains
Q20: Atoms are neutral because _.
A) all atoms
Q21: Which statement about an atom is false?
A)
Q23: All atoms of a given element may
Q24: What are the number of protons, neutrons,
Q25: The number of electrons and neutrons in
Q26: The number of neutrons in an atom
Q27: Which of the following statements is incorrect?
A)
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