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Index
 »Â
Full Periodic Table (with numbers)
 »Â
Chapter 1
 »Â
1-10
level: 1-10
Questions and Answers List
level questions: 1-10
Question
Answer
H 1
Hydrogen
He 2
Helium
Li 3
Lithium
Be 4
Beryllium
B 5
Boron
C 6
Carbon
N 7
Nitrogen
O 8
Oxygen
F 9
Fluorine
Ne 10
Neon