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Moldavite (Tektite)
Chromium is also the world's hardest metal
has a half-life of approximately 28 seconds
Technetium's atomic number is 43 and its symbol is Tc
a "Screaming Eagles"
Einsteinium Element Cube Meteorites Moldavite (Tektite)Named in honor of Albert Einstein, Einsteinium's atomic number is 99 and its symbol is Es. It is a soft, silvery, paramagnetic metal, and its chemistry is typical of the late actinides. The high radioactivity of einsteinium 253 produces a visible glow and rapidly damages its crystalline metal lattice, with released heat of about 1000 watts per gram. It was discovered as a component of the debris of the first hydrogen bomb explosion in 1952. Its most
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