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Isotopes
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Isotope:
Atoms of the same element with different numbers of neutrons
Mass #:
Mass of an individual isotope
Why is the mass of different isotopes different?
Number of neutrons is different
Atomic mass of an element:
Average mass of mixture of its isotopes
One way to show an isotope:
Name of element followed by mass #
-e.g. Hydrogen-1
Another way to show an isotope:
Chemical symbol with mass # on top, atomic # on bottom
10 11
B B
5 5
Which isotope is most common?
Whichever whole number the mass # is closest to
Author
Anonymous
ID
41118
Card Set
Isotopes
Description
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Updated
2010-10-10T19:34:02Z
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