Thorium has 90 electrons.
Thorium is a metal element. There are 90 electrons in a single atom.
Thorium has 90 electrons.
Thorium (232Th) has 90 protons, 9o electrons and 142 neutrons.
Thorium (Th).
Thorium, with the chemical symbol Th, is the chemical element with the atomic number 90.
Thorium has 90 electrons.
A transition element of f-block Thorium has 90 electrons in natural state, it is a Radioactive element.
Thorium-232 has 90 protons and electrons and 142 neutrons.
Thorium 230 has 90 electrons and 140 neutrons.
232Th has 142 neutrons and 90 protons and electrons.
Thorium 230 has 90 protons and 140 neutrons - the difference is 50.
Thorium has 90 protons. So for a neutral atom, there has to be 90 electrons. 230 is the total number of nucleons. ie 90 protons and 140 neutrons.