Some elements have atomic mass in fractions it is due to the presence of
A. Fractions of protons
B. Fractions of neutrons
C. Isotopes
D. Valence electrons
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C is the correct answer.
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a) Some components possess fractional nuclear mass as a result of the nearness of isotopes.
b) Isotopes of a component have comparative compound properties since they have same atomic number and same number of protons.
c) Nobel gases are idle since they have octet design they would prefer not to lose or pick up electrons. hope the answer helps you with your question.
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