Elements 1
Elements 2
Elements 3
Elements 4
100

Ti

What is titanium

100

Zn

What is Zinc

100

Ag

What is Silver

100

Hg

What is Mercury

200

Fe

What is Iron

200

Se

What is Selenium

200

Sn

What is Tin

200

Pb

What is Lead

300
Co

What is Cobalt

300

Br

What is Bromine
300

Xe

What is Xenon

300

Fr

What is Francium
400

Ni

What is nickel

400

Kr

What is Krypton

400

Ba

What is Barium

400

U

What is Uranium 
500

Cu

What is copper

500

Sr

What is Strontonium

500

Au

What is Gold

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