View source for Template:Infobox americium

{{Infobox element
|engvar={{{engvar|}}}
|name=americium
|number=95
|symbol=Am
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[Chemistry:Plutonium|plutonium]]
|right=[[Chemistry:Curium|curium]]
|above=[[Chemistry:Europium|Eu]]
|below=(Uqe)
|category comment=
|group=3
|period=7
|block=f
|appearance=silvery white
|image name=americium microscope.jpg
|electrons per shell=2, 8, 18, 32, 25, 8, 2
|phase=
|phase comment=
|density gplstp=
|density gpcm3nrt=12
|density gpcm3mp=
|melting point K=1449
|melting point C=1176
|melting point F=2149
|boiling point K=2880
|boiling point comment=''(calculated)''
|boiling point C=2607
|boiling point F=4725
|triple point K=
|triple point kPa=
|critical point K=
|critical point MPa=
|heat fusion=14.39
|heat vaporization=
|heat capacity=62.7
|vapor pressure 1=1239
|vapor pressure 10=1356
|vapor pressure 100=
|vapor pressure 1 k=
|vapor pressure 10 k=
|vapor pressure 100 k=
|vapor pressure comment=
|crystal structure=double hexagonal close packed
|electronegativity=1.3
|number of ionization energies=1
|ionization energy 1=578
|atomic radius=173
|covalent radius=180±6
|Van der Waals radius=
|magnetic ordering=paramagnetic
|electrical resistivity=0.69
|electrical resistivity ref=<ref name=res>{{cite journal|last1=Muller|first1=W.|last2=Schenkel|first2=R.|last3=Schmidt|first3=H. E.|last4=Spirlet|first4=J. C.|last5=McElroy|first5=D. L.|last6=Hall|first6=R. O. A.|last7=Mortimer|first7=M. J.|title=The electrical resistivity and specific heat of americium metal|journal=Journal of Low Temperature Physics|volume=30|pages=561|year=1978|doi=10.1007/BF00116197|issue=5–6|bibcode=1978JLTP...30..561M }}</ref>
|electrical resistivity unit prefix=µ
|electrical resistivity at 0=
|electrical resistivity at 20=
|thermal conductivity=10
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion at 25=
|speed of sound=
|speed of sound rod at 20=
|speed of sound rod at r.t.=
|magnetic susceptibility= +1000.0·10<sup>−6</sup>
|magnetic susceptibility ref= <ref>{{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110|quote=|via=}}</ref>
|Young's modulus=
|Shear modulus=
|Bulk modulus=
|Poisson ratio=
|Mohs hardness=
|Vickers hardness=
|Brinell hardness=
|CAS number=7440-35-9
|isotopes=
{{infobox element/isotopes decay2 | mn=241 | sym=Am
|na=[[Physics:Synthetic radioisotope|syn]] | hl=432.2&nbsp;y
|dm1=[[Physics:Spontaneous fission|SF]] | de1=– | pn1= | ps1=–
|dm2=[[Physics:Alpha decay|α]] | de2=5.486 | link2=neptunium-237 | pn2=237 | ps2=Np }}
{{infobox element/isotopes decay3| mn=242[[Physics:Nuclear isomer|m1]] | sym=Am
|na=syn | hl=141&nbsp;y
|dm1=[[Isomeric transition|IT]] | de1=0.049 | pn1=242 | ps1=Am
|dm2=α | de2=5.637 | link2=neptunium-238 | pn2=238 | ps2=Np
|dm3=SF | de3=– | pn3= | ps3=– }}
{{infobox element/isotopes decay2 | mn=243 | sym=Am
|na=syn | hl=7370&nbsp;y
|dm1=SF | de1=– | pn1= | ps1=–
|dm2=α | de2=5.275 | link2=neptunium-239 | pn2=239 | ps2=Np }}
|isotopes comment=
|naming=after the [[Earth:Americas|Americas]]
|discovered by=[[Biography:Glenn T. Seaborg|Glenn T. Seaborg]], [[Ralph A. James]], [[Leon O. Morgan]], [[Biography:Albert Ghiorso|Albert Ghiorso]]
|discovery date=1944
|QID=Q1872
}}<!--

--><noinclude>
{{Infobox element/element navigation|symbol=Am}}
{{template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>