Isotopes and Relative Atomic Mass

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Chemistry
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
In order for two elements to be isotopes, what has to be the SAME? Options: Protons, Electrons, Neutrons, Mass
Back
Protons
2.
FLASHCARD QUESTION
Front
In order for two elements to be isotopes, what must be DIFFERENT? Options: Protons, Electrons, Neutrons, Neutrons & Mass
Back
Neutrons & Mass
3.
FLASHCARD QUESTION
Front
Which isotope of Lithium contains 4 neutrons? Options: Li-6, Li-7, Li-8, They have the same # of neutrons
Back
Li-7
4.
FLASHCARD QUESTION
Front
Looking at the following mass spectrum of neon, how many isotopes does neon have?
Back
3
5.
FLASHCARD QUESTION
Front
Looking at the following mass spectrum of neon, which isotope is most abundant? Options: Ne-20, Ne-21, Ne-22
Back
Ne-20
6.
FLASHCARD QUESTION
Front
Looking at the following mass spectrum diagram, what would be the average atomic mass of this element? Round to 3 sig figs (only type a #, no units)
Back
10.2
7.
FLASHCARD QUESTION
Front
Nitrogen has two isotopes. One isotope has a mass of 14.003 amu and a relative abundance of 99.63%, while the other has a mass of 15.000 amu and a relative abundance of 0.37%. What is the average atomic mass for nitrogen?
Back
14.007 amu
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