Difference between revisions of "Actinium"
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| − | + | {{Element | name=Actinium | symbol=Ac | anumber=89 | amass=227.0 amu | noe=89 | class=Transition Metal | cstructure=Cubic | color=Silver | date=1899 | discname=André-Louis Debierne | origname=From the Greek ''aktinos''. | uses=Unknown | obtained=From Radium, by neutron irradiation.}} | |
| + | '''Actinium''' is a very rare [[radioactive]] chemical [[element]]. It is silvery-white and glows blue in the dark.<ref>[[Encylopaedia Britannica]] online, [https://www.britannica.com/eb/article-9003601/actinium ''Actinium'']</ref> | ||
| + | |||
| + | ==References== | ||
| + | <references /> | ||
| + | {{Periodic table}} | ||
Latest revision as of 13:04, September 26, 2018
Actinium is a very rare radioactive chemical element. It is silvery-white and glows blue in the dark.[1]
| Actinium | |
|---|---|
| Properties | |
| Atomic symbol | Ac |
| Atomic number | 89 |
| Classification | Transition Metal |
| Atomic mass | 227.0 amu |
| Other Information | |
| Date of discovery | 1899 |
| Name of discoverer | André-Louis Debierne |
| Name origin | From the Greek aktinos. |
| Uses | Unknown |
| Obtained from | From Radium, by neutron irradiation. |
References
- â Encylopaedia Britannica online, Actinium