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What are transuranic elements How are they produced?

Transuranic elements do not occur naturally. Transuranic elements with atomic numbers 93 to 95 (neptunium, plutonium, and americium) are produced in nuclear reactors by bombarding natural elements with neutrons from produced in nuclear fission reactions.

What are synthetic transuranium elements?

Transuranium elements that can be found on Earth now are artificially-generated, synthetic elements made via nuclear reactors or particle accelerators. The half-lives of these elements show a general trend of decreasing as atomic numbers increase.

What does terbium mean?

: a metallic element of the rare-earth group with atomic number 65 that occurs naturally only in combination and that is used especially in alloys for electronic equipment and as a green phosphor (see phosphor sense 2) in electronic displays — see Chemical Elements Table.

What is terbium found in?


What is dysprosium used for?

Applications. Dysprosium is used, in conjunction with vanadium and other elements, in making laser materials and commercial lighting. Because of dysprosium’s high thermal-neutron absorption cross-section, dysprosium-oxide–nickel cermets are used in neutron-absorbing control rods in nuclear reactors.

Is dysprosium used in cell phones?

Of the 17 rare Earth metals, 16 are included in phones. Terbium and dysprosium are also used in tiny quantities in touchscreens to produce the colours of a phone display.

What are the properties of dysprosium?

Dysprosium has a metallic appearance with a shiny silver luster. The metal is so soft it is easily cut with a knife. It has a melting point of 1,407°C (2,565°F) and a boiling point of about 2,300°C (about 4,200°F). The density is 8.54 grams per cubic centimeter.

Is dysprosium dangerous?

Hazards and risks associated with dysprosium: Dysprosium compounds are encountered rarely by most people. All dysprosium compounds should be regarded as highly toxic although initial evidence would appear to suggest the danger is limited. The metal dust presents a fire and explosion hazard.