Periodic Table of the Elements
Periodic Table




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name Einsteinium
latin Einsteinium
french Einsteinium
german Einsteinium
symbol Es
proton number 99
atomic weight [252]
Pauling electronegativity 1.3
electronic configuration [Rn] 5f116d07s2
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melting point 1133 K, 860°C, 1580°F
boiling point -
group -
period 7
state (by 20°C) solid
oxidation states +3
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Year of discovery Discoverer
1952 Albert Ghiorso and his coworkers at Berkeley

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