Multiple Choice
A naturally occurring element consists of three isotopes. The data for the isotopes are:
Isotope 1: 46.972 u, 69.472%
Isotope 2: 48.961 u, 21.667%
Isotope 3: 49.954 u, 8.8610% What is the average atomic mass of this naturally occurring element?
A) 47.667 u
B) 47.699 u
C) 48.629 u
D) 48.667 u
E) 48.961 u
Correct Answer:

Verified
Correct Answer:
Verified
Q15: The particles found in nuclei, the protons
Q16: According to recent IUPAC recommendations, a range
Q17: Molecular self-assembly occurs when two atoms can
Q18: Consider the atoms of <sup>59</sup>Co and <sup>60</sup>Co.
Q19: Which of the following is the
Q21: Which of the following statements is/are NOT
Q22: An ion of the isotope chlorine-35 has
Q23: Consider the atoms of <sup>65</sup>Cu and <sup>65</sup>Zn.
Q24: The atomic mass of naturally occurring nickel,
Q25: In a neutral atom, the number of