Level 7
Level 9
15 words 0 ignored
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Ignore words
Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.
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Co
Cobalt
Cu
Copper
F
Fluorine
Ga
Gallium
Ge
Germanium
Au
Gold
He
Helium
H
Hydrogen
I
Iodine
Fe
Iron
Kr
Krypton
Pb
Lead
Li
Lithium
Mg
Magnesium
Mn
Manganese
