The most common isotope of oxygen has 8 protons and an atomic mass of 16. How many neutrons are present in the oxygen nucleus?
A) 2
B) 4
C) 6
D) 8
E) 10
Correct Answer:
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Q11: The basic unit of matter is referred
Q12: The most common isotope of oxygen has
Q13: An atom with three electrons has:
A)one occupied
Q14: 14C is an isotope of carbon that
Q15: Using the periodic table in Fig. 2.3,
Q17: The negatively charged components of atoms are
Q18: If an atom has three electrons, how
Q19: What differentiates isotopes of the same element?
A)protons
B)neutrons
C)electrons
D)charge
Q20: Sometimes, atoms gain or lose particles. The
Q21: Which one of the following contributes to
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