Curium and berkelium are artificial chemical elements, very rare, unstable and radioactive. Members of the actinides group.
Berkelium is a member of the actinides group; probably similar to curium, americium, californium.
Other transuranic elements as neptunium, americium, curium, berkelium, californium, etc.
The radioactive element produced by bombarding curium with carbon-13 is berkelium. This process involves nuclear reactions that cause the curium nucleus to absorb a carbon-13 nucleus, leading to the formation of berkelium-249 through a series of decay steps.
Berkelium is a unique chemical element.
Glenn Seaborg and co-workers discovered plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, seaborgium.
The first nuclear reactions used to obtain berkelium-249 were:Pu-239(4n, gamma)Pu-243--------beta-------Am-243(n, gamma)Am-244-----beta-----Cm-244(5n, gamma)Cm-249--------beta----------Bk-249
In fact all elements after uranium in periodic table are man made.eg-Americium, Curium, Berkelium, Californium, Ensteinium, Fermium, Mendelevium, Nobelium, Lawrencium etc.
The other actinides are: actinium, thorium, protactinium, neptunium, plutonium, americium, curium, berkelium, einsteinium, californium, fermium, mendelevium, nobelium, lawrencium.
Seaborg actually produced more than two. He produced Plutonium (Pu), Americium (Am), Curium (Cm), Berkelium (Bk) and Califormium) (Cf).
An example of a synthetic element is technetium (Tc). It does not occur naturally in the Earth's crust and is typically produced by bombarding lighter elements with particles in a nuclear reactor or particle accelerator.
berkelium is synthetic
berkelium is american