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[7/12/2014 21:37] +91 90 86 985450: Fluorine Classification:
[7/12/2014 21:37] +91 90 86 985450: Fluorine Classification: Fluorine is a halogen and a nonmetal Color: pale yellow Atomic weight: 18.998403 St...

[11/12/2014 20:23] +91 90 86 985450: Hafnium Classification:
[11/12/2014 20:23] +91 90 86 985450: Hafnium Classification: Hafnium is a transition metal Color: silvery Atomic weight: 178.49 State: solid Melt...