Periodic Table of the Elements
Periodic Table




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name Americium
latin Americium
french Américium
german Americium
symbol Am
proton number 95
atomic weight [243]
Pauling electronegativity 1.3
electronic configuration [Rn] 5f76d07s2
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melting point 1449 K, 1176°C, 2149°F
boiling point 2880 K, 2607°C, 4724°F
group -
period 7
state (by 20°C) solid
oxidation states +2, +3, +4, +5, +6
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discussion board


Year of discovery Discoverers
1944 Glenn T. Seaborg (*1912)
Ralph A. James
L. Morgan
Albert Ghiorso

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