Am | Z = 95 | ◊ ◊ ◊ ◊ ◊ |
Americium | |
From the English "America" | ||||
(AM) Atomic Mass | 243 amu | ♦ | Oxidation States | +3, +4, +5, +6 |
(BP) Boiling Point | 2607  °C | ♦ | (MP) Melting Point | 994 °C |
(ρ) Density | n/a | ♦ | Crystal Structure | Hexagonal |
( χ ) Electronegativity | 1.3 | ♦ | (AR) Atomic Radius | n/a |
Physical State | Solid | ♦ | (C) Heat Capacity | n/a |
Electronic-Config | [Rn]  5f7  7s2  | ♦ | (I1) First Ionization E | 578.23 kJ/mol |
(ΔHvap) Heat of Vaporization | n/a | ♦ | (ΔHfus) Heat of Fusion | 14.39 kJ/mol |
Year of Discovery | 1944 | ♦ | Location of Discovery | Argon Nat. Lab |
(E°) Standard Potential | Am2+⇔ Am (-1.900 V),   Am3+⇔ Am (-2.048 V) | |||
Stable isotopes | None. All isotopes are man-made and radioactive | |||
Discovered/Synthesized by | Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso, | |||
Natural Source | Not found in nature, man-made, synthetic | |||
Common Uses | Smoke detectors, sheet thickness gauges | |||
Other Info | Used in smoke detectors | |||
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