KERNENERGIE - Nee bedankt, Ja graag?
I
europium gadolinium terbium dysprosium holmium erbium thulium ytterbium lutetium hafnium tantaal wolfraam rhenium Osmlum iridium platinum goud kwikzilver thallium lood bismut polonium astatium radon francium radium actinium thorium protactjnl.urn uranium
152 157.3 158.9 162.5 164.9 167.3 168.9 173 175 178.5 180.9 183.9 186.2 190.2 192.2 195.1 197 200.6 204.4 2Jf fi/ .1 209
232
238
neptunium plutonium americium curium
104
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