Californium hasn't "periods" inside.
Californium has 98 protons.
Californium has 98 protons.
All the isotopes of californium are radioactive, artificial and unstable.
The neutral atom of californium has 98 electrons.
Californium has 20 isotopes and 1 isomer.
Californium has 98 protons.
Approx. 8,73.1023 atoms for the isotope californium-252.
Because californium has many physical properties similar to other metals.
Californium is an artificial chemical element.Natural californium exist in minute races in uranium ores.Also traces of californium from nuclear weapons exist.
98
There are 2 valence electrons in Californium. Although there are 7 levels, the 7th level(the outermost level) has 2.
Yes, many laboratories in the world make studies on californium and on the applications of Cf.