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PERIODIC TABLE
31-40
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Cards (10)
31 -
gallium
Ga
32 -
germanium
Ge
33 -
arsenic
As
34 -
selenium
Se
35 -
bromine
Br
36 -
krypton
Kr
37 -
rubidium
Rb
38 -
strontium
Sr
39 -
yttrium
Y
40 -
zirconium
Zr