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What element has this symbol?
iron
iradium
sodium
iridium
Sn is the symbol for
tin
sulfer
Zinc's symbol is
Z
Zc
Zi
Zn
Helium's symbol is
H
He
HE
Hl
Au is the symbol for
Silver
Golg
Gold
sliver
What is the atomic mass of Neon?
10
20.18
10.18
9.82
How many electrons are in Gold
79
118
197
276
How many protons are in Neon
20
21
30
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