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Zirconium

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name Zirconium
latin Zirkonium
french Zirconium
german Zirkonium
symbol Zr
proton number 40
atomic weight 91.224
Pauling electronegativity 1.33
electronic configuration [Kr] 4d25s2
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melting point 2128 K, 1855°C, 3371°F
boiling point 4682 K, 4409°C, 7968°F
group 4
period 5
state (by 20°C) solid
oxidation states +4
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Discoverer

Year of discovery Discoverer
1789 Martin H. Klaproth (1743-1817)

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