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© May 2005
Lorentz JÄNTSCHI
&&
Sorana Daniela BOLBOACĂ
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D01
Inorganic Chemicals
D007287
+
D01.268
Elements
D004602
+
D01.268.271
Elements, Radioactive
D004603
+
D01.268.271.110
Astatine
D001246
D01.268.271.380
Francium
D005605
D01.268.271.545
Actinoid Series Elements
D008671
+
D01.268.271.680
Polonium
D011059
D01.268.271.720
Promethium
D011399
D01.268.271.770
Radium
D011883
D01.268.271.800
Radon
D011886
D01.268.271.870
Technetium
D013667