Atomic number 99 synonyms
A synthetic, radioactive metallic element of the actinide series that is usually produced by bombarding plutonium or another element with neutrons. It was first isolated in a region near the explosion site of a hydrogen bomb. Its longest-lived isotope is Es 254 with a half-life of 276 days. Atomic number 99; melting point 860°C.
A key or scale in which E is the tonic.
Find another word for atomic number 99. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for atomic number 99, like: einsteinium, es and e.