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Rare Earth
These are seven elements out of the Rare Earth part of the Periodic Table.
7
Science
10th Grade
10/21/2015
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Term
Scandium
21
Sc
44.954
 Definition
Protons: 21
Electrons: 21
Neutrons: 24
Term
Yttrium
39
Y
88.906
 Definition
Protons: 39
Electrons: 39
Neutrons: 50
Term
Lanthanum
57
La
138.91
 Definition
Protons: 57
Electrons: 57
Neutrons: 82
Term
Lutetium
71
Lu
174.97
 Definition
Protons: 71
Electrons:71
Neutrons: 104
Term
Cerium
58
Ce
140.115
 Definition
Protons: 58
Electron: 58
Neutrons: 82
Term
Praseodymium
59
Pr
140.90765(2)
 Definition
Protons: 59
Electrons: 59
Neutrons: 82
Term
Neodymium
60
Nd
144.24
 Definition
Protons: 60
Electrons: 60
Neutrons: 84
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