actinide series sentence in Hindi
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- The actinide series derives its name from the group 3 element actinium.
- The actinide series derives its name from the first element in the series, actinium.
- It is a metallic radioactive transuranic element in the actinide series, usually synthesized by bombarding einsteinium with alpha particles.
- Chemistry Nobelist Glenn T . Seaborg first proposed the actinide concept, which led to the acceptance of the actinide series.
- All transuranic isotopes fall within the actinide series on the periodic table, and so they are frequently referred to as the actinides.
- In 1945, against the advice of colleagues, he proposed a significant change to Mendeleev's table : the actinide series.
- "' Uranium "'is a silvery metallic chemical element that has atomic number 92 in the actinide series of the periodic table.
- This member of the actinide series is located in the periodic table under the lanthanide element europium, and thus by analogy was named after the Americas.
- The impermeability of the oxide layer of thorium contrasts with that of the later actinides and conforms to the trend of increasing electropositivity and reactivity as the actinide series is traversed.
- In the actinide series, uranyl compounds such as UO 2 Cl 2 and [ UO 2 Cl 4 ] 2 " are well known and contain the linear UO 2 moiety.
- Seaborg's theoretical development of the actinide concept resulted in a redrawing of the Periodic Table of the Elements into its current configuration with the actinide series appearing below the lanthanide series.
- "' Protactinocene "', Pa ( C 8 H 8 ) 2, is an organoprotactinium compound composed of a protactinium atom sandwiched between two elements from the actinide series.
- "' Thorocene "', Th ( C 8 H 8 ) 2, is an organothorium compound composed of a thorium atom sandwiched between two elements from the actinide series.
- "' Plutonocene "', Pu ( C 8 H 8 ) 2, is an organoplutonium compound composed of a plutonium atom sandwiched between two elements from the actinide series.
- McCoy recommended Frank Spedding from Iowa State College in Ames, Iowa, as an expert on the rare earth elements, which were chemically similar to the actinide series that included uranium and plutonium.
- Chromium, molybdenum, tungsten, and uranium were sometimes included in this group, but they would be later rearranged as part of group VIB; uranium would later be moved to the actinide series.
- It was also pointed out that the actinide contraction at the end of the actinide series was larger than the analogous lanthanide contraction, with the exception of the last actinide, lawrencium : the cause was speculated to be relativistic effects.
- In addition to his theoretical work in the development of the actinide concept, which placed the actinide series beneath the lanthanide series on the periodic table, he postulated the existence of super-heavy elements in the transactinide and superactinide series.
- This convention is entirely a matter of aesthetics and formatting practicality; a rarely used wide-formatted periodic table inserts the lanthanide and actinide series in their proper places, as parts of the table's sixth and seventh rows ( periods ).
- Chemistry Nobel Prize winner Glenn T . Seaborg who first proposed the actinide concept which led to the acceptance of the actinide series also proposed the existence of a transactinide series ranging from element 104 to 121 and a superactinide series approximately spanning elements 122 to 153.
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