promethiums वाक्य
उदाहरण वाक्य
मोबाइल
- Because of its instability, chemical studies of promethium are incomplete.
- Other radioactive elements discovered in this star include technetium and promethium.
- This same shot ignited his Promethium tanks, immolating the surrounding area.
- The element promethium also draws its name from Greek mythology,
- Thus it is the only promethium isotope with an experimentally observed alpha decay.
- After creating a vacuum, the chemicals were mixed to produce promethium metal:
- In 1963, promethium ( III ) fluoride was used to make promethium metal.
- In 1963, promethium ( III ) fluoride was used to make promethium metal.
- Uranium is thus " responsible " for 560 g promethium in Earth's crust.
- Currently, Russia is the only country producing promethium-147 on a relatively large scale.
- Elements heavier than lead, and the elements technetium and promethium, exist only as radionuclides.
- Now only promethium and fermium don't have images; any help is obviously appreciated!
- Promethium belongs to the cerium group of lanthanides and is chemically very similar to the neighboring elements.
- Marinsky and Glendenin produced promethium both by extraction from fission products and by bombarding neodymium with neutrons.
- Following Shocker leads him to Alistair Smythe and the Promethium X, which Spider-Man steals.
- Finally, promethium can be formed in nature as a product of spontaneous fission of uranium-238.
- It is constructed of promethium and uses highly advanced Martian, Thanagarian, Kryptonian, and Earth technologies.
- It was the first to create the element promethium, used in nuclear-powered batteries in guided missiles.
- Quite a few years later, this element 61 was created artificially in nuclear reactors and was named promethium.
- Many properties of promethium rely on its position among lanthanides and are intermediate between those of neodymium and samarium.
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