Berkelium and nobelium are members of the actinides group, solid metals, radioactive elements, unstable elements, artificial elements, very difficult to prepare extremely small quantities, only some compounds are known, etc.
Glenn Seaborg and co-workers discovered plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, seaborgium.
Berkelium is an artificial element, extremely rare, unstable and the preparation is very difficult.
The other actinides are: actinium, thorium, protactinium, neptunium, plutonium, americium, curium, berkelium, einsteinium, californium, fermium, mendelevium, nobelium, lawrencium.
In fact all elements after uranium in periodic table are man made.eg-Americium, Curium, Berkelium, Californium, Ensteinium, Fermium, Mendelevium, Nobelium, Lawrencium etc.
The chemistry of nobelium is practically unknown; chemists haven't sufficient amounts of material for experiments. Possible exist chlorides of nobelium and some complexes. Any compound between nobelium and sodium.
The most common isotope , berkelium-249, has 152 neutrons.Number of neutrons = Mass number of an isotope - 97
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.
The most common isotope , berkelium-249, has 152 neutrons.Number of neutrons = Mass number of an isotope - 97
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Nobelium is a member of the actinoids family: before nobelium in the periodic table is mendelevium and after nobelium is lawrencium. It is supposed that nobelium is similar to ytterbium.
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.
Nobelium is an element, so it is a pure substance made of nobelium.