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100

What is the symbol of Lead?

Pb

100

What element have the symbol W?

Tungsten

100

What is the symbol of Zinc?

Zn

100

What is the symbol of Iodine?

I

200

What is the symbol of Iron

Fe
200

What element have the symbol Au?

Gold

200

What is the symbol of Potassium?

K

200

What is the symbol of Copper?

Cu

300

What is the symbol of Manganese?

Mn

300

What element have the symbol Pt?

Platinum
300

What is the symbol of Sodium?

Na
300

What element have the symbol Ne?

Neon

400

What is the symbol of Silicon?

Si
400

What element have the symbol As? 

Arsenic
400

What is the symbol of Xenon?

Xe

400

What is the symbol of Chlorine?

Cl
500

What is the symbol of Mercury?

Hg

500

What element have the symbol Sn?

Tin
500

What element have the symbol P?

Phosphorus

500

What element have the symbol B?

Boron

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