Einsteinium is a synthetic chemical element; it has symbol Es and atomic number 99. It is named after Albert Einstein and is a member of the actinide series and the seventh transuranium element. Einsteinium was discovered as a component of the debris of the first hydrogen bomb explosion in 1952.

Einsteinium (Es), synthetic chemical element of the actinoid series of the periodic table, atomic number 99. Not occurring in nature, einsteinium (as the isotope einsteinium-253) was first produced by intense neutron irradiation of uranium-238 during the detonation of nuclear weapons.

Element Einsteinium (Es), Group 20, Atomic Number 99, f-block, Mass [252]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Einsteinium is a chemical element with symbol Es and atomic number 99. Classified as a n actinide, Einsteinium is a solid at room temperature.

2024年10月2日 · Einsteinium (chemical symbol Es, atomic number 99) is one of the most mysterious and rarest elements on the periodic table. Named in honor of Albert Einstein, this man-made element was first discovered in the aftermath of one of the most powerful events in human history—the detonation of a hydrogen bomb.

2025年1月21日 · Einsteinium, with the symbol Es and atomic number 99, is a synthetic element that belongs to the actinide series of the periodic table. Known for its radioactivity and synthetic origin, Einsteinium has a complex atomic structure that contributes to its unique chemical and physical properties.

Explore the fascinating world of Einsteinium, Element 99. Discover its history, physical and chemical properties, uses, and applications. Understand the scientific importance of this highly radioactive and synthetic element.

A man-made radioactive actinide with atomic symbol Es, and atomic number 99. Its known isotopes range in mass number from 240-258. Its valence can be +2 or +3. Einsteinium was originally discovered in the debris from a thermonuclear explosion in 1952.

2024年2月21日 · Einsteinium is a synthetic chemical element with an atomic number of 99 and is represented by the symbol ‘Es’ in the periodic table. It is silvery in appearance and belongs to the f-block of period 7 of the periodic table. Einsteinium was identified as the seventh synthetic trans-uranium element in the actinide series. Similar to other ...

2024年5月21日 · Einsteinium is a metallic chemical element classified in the actinide series of the periodic table of elements. This element is not found in nature, and as a result most people will never interact with it or one of its isotopes.