actinon
/ak-tuh-non/US // ˈæk təˌnɒn //UK // (ˈæktɪˌnɒn) //
锕锕,锕锕锕,锕锕锕锕
Definitions
n.名词 noun
- 1
Chemistry.
- : a chemically inert, gaseous, short-lived isotope of radon that is a member of the actinium series. Symbol: An; atomic number: 86; atomic weight: 219.
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