Block, SkipCaptcha, nsAm_Govt_101RO, nsAm_Govt_101RW, nsAm_Govt_101_ta, nsTeam2RO, nsTeam2RW, nsTeam2_talkRO, nsTeam2_talkRW
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Line 1:
Line 1: − == Element ==+ − − '''Name:''' Actinium − − '''Symbol:''' Ac − − '''Atomic Number:''' 89 − − '''Atomic Mass:''' 227.0 amu − − '''Number of electrons:''' 89 − − '''Classification:''' Rare earth − − '''Crystal structure:''' Cubic − − '''Color:''' Silvery − − '''Date of Discovery:''' 1899 − − '''Name of Discoverer:''' Andre Debierne − − '''Name Origin:''' The Greek word ''aktinos'', ray. − − '''Uses:''' Unknown. − − '''Obtained from:''' Unknown as it is extremely rare.
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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=[[Andre Debierne]] | origname=From the Greek ''aktinos''. | uses=Unknown | obtained=Unknown, as it is extremely rare. }}