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Chemistry

Are there any elements that have no stable forms at all?

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October 01, 2008 5:19AM

To name a few… Tc - Technetium (43), Pm - Promethium (61), Np - Neptunium (93), Pu - Plutonium (94), Am - Americum (95), Cm - Curium (96), Bk - Berkelium (97), Cf - Californium (98), Es - Einsteinium (99), Fm - Fermium (100) atomic numbers: 43, 61, 93-112, & 114 all have no stable forms These elements are (man-made,) marked on the periodic table as "Not found in Nature"