Isotopes of Atoms

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Isotopes of Atoms
Kristin Dykstra and Bill Howard Hopkinton Middle
School
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Isotope

• Atoms of the same element that have different
  masses

Due to varying number of neutrons
Iso same
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Hydrogen
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Hydrogen - 1
1 is the mass number!
1 (mass ) -1 (atomic )
No neutrons!
Also called Protium
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Hydrogen - 2
2 is the mass number!
2 (mass ) -1 (atomic )
one neutron
Also called Deuterium
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Hydrogen - 3
3 is the mass number!
3 (mass ) -1 (atomic )
two neutrons
Also called Tritium
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Lithium - 6
6 is the mass number!
6 (mass ) -3 (atomic )
3 neutrons
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Lithium 7
7 is the mass number!
7 (mass ) -3 (atomic )
4 neutrons
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Frequency of Isotopes
1.0079 H 1
Atomic mass close to 1
H-1 (Protium) is the most common isotope of
hydrogen.
Protium- 99.985
Deuterium- .015
Tritium- 0 Not naturally occurring
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6.941 Li 3
Atomic mass close to 7
Lithium-7 is the most common isotope
Lithium 7- 92.58
Lithium 6- 7.42
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MEDICAL USES FOR ISOTOPES

• cancer treatments

• scanning images

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INDUSTRIAL USES FOR ISOTOPES

• nuclear power plants

• food sterilization

• airport security

• measurement gauges

• luminous paints

• smoke detectors

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Work cited
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http//www.nuc.umr.edu/reactor/blueglow.jpg
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pg
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