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A sample of element X contains 90% X-35 atoms, 8% X-37 atoms, and 2% X-38 atoms. The average isotopic mass is closest to
P-32
the atomic mass and the relative abundance of each naturally occurring isotope of chlorine
atomic mass
35
weighted average mass of all the naturally occurring isotopes of Ti
69% A-63 and 31% A-65
75% Cl-35 and 25% Cl-37
(.1978)(10) + (.8022)(11)
Which atom contains exactly 15 protons?
P-32
the atomic mass and the relative abundance of each naturally occurring isotope of chlorine
atomic mass
35
weighted average mass of all the naturally occurring isotopes of Ti
69% A-63 and 31% A-65
75% Cl-35 and 25% Cl-37
(.1978)(10) + (.8022)(11)
A 100 gram sample of naturally occurring boron contains 19.78 % of B-10 and 80.22 % of B-11. Which numerical setup can be used to determine the atomic mass of naturally occurring B
P-32
the atomic mass and the relative abundance of each naturally occurring isotope of chlorine
atomic mass
35
weighted average mass of all the naturally occurring isotopes of Ti
69% A-63 and 31% A-65
75% Cl-35 and 25% Cl-37
(.1978)(10) + (.8022)(11)
The atomic mass of titanium is 47.88 atomic mass units. This atomic mass represents
P-32
the atomic mass and the relative abundance of each naturally occurring isotope of chlorine
atomic mass
35
weighted average mass of all the naturally occurring isotopes of Ti
69% A-63 and 31% A-65
75% Cl-35 and 25% Cl-37
(.1978)(10) + (.8022)(11)
The atomic mass of element A is 63.6 amu. The only naturally occurring isotopes of element A are A-63 and A-65. The percent abundances of Element A are closest to
P-32
the atomic mass and the relative abundance of each naturally occurring isotope of chlorine
atomic mass
35
weighted average mass of all the naturally occurring isotopes of Ti
69% A-63 and 31% A-65
75% Cl-35 and 25% Cl-37
(.1978)(10) + (.8022)(11)
The average isotopic mass of chlorine is 35.5. Which mixture of isotopes (shown as percents) produces this average mass?
P-32
the atomic mass and the relative abundance of each naturally occurring isotope of chlorine
atomic mass
35
weighted average mass of all the naturally occurring isotopes of Ti
69% A-63 and 31% A-65
75% Cl-35 and 25% Cl-37
(.1978)(10) + (.8022)(11)
What information is necessary to determine the atomic mass of the element chlorine?
P-32
the atomic mass and the relative abundance of each naturally occurring isotope of chlorine
atomic mass
35
weighted average mass of all the naturally occurring isotopes of Ti
69% A-63 and 31% A-65
75% Cl-35 and 25% Cl-37
(.1978)(10) + (.8022)(11)
Which value of an element is calculated using both the mass and the relative abundance of each of the naturally occurring isotopes of this element?
P-32
the atomic mass and the relative abundance of each naturally occurring isotope of chlorine
atomic mass
35
weighted average mass of all the naturally occurring isotopes of Ti
69% A-63 and 31% A-65
75% Cl-35 and 25% Cl-37
(.1978)(10) + (.8022)(11)
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