The element masurium (later renamed technetium).
| 单词 | θ68719 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > technetium > [noun] (3) Ma1925 The element masurium (later renamed technetium). masurium1925 The element of atomic number 43 (later named technetium), which was first claimed to have been discovered by X-ray spectroscopy in certain heavy… technetium1947 A dense, silvery grey, radioactive metallic element, atomic number 43, chemically similar to rhenium, which occurs naturally only in trace amounts… |
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