Thorium is a metal element. There are 90 electrons in a single atom.
90 in ground state
Alpha particles but also electrons and gamma radiations (Th 232).
Hazards and Health Considerations: Thorium presents both a toxic and radiological hazard. Toxicologically, it causes heavy metal poisoning similar to lead or the uranium isotopes. Biologically, thorium accumulates in the skeletal system where it has a biological half-life of 200 years, the same as plutonium. An M 17 protective mask and standard anti-contamination clothing will adequately protect against thorium.
Thorium 230 is an alpha emitter with half life 75,380 years. Therefore it is dangerous if ingested. Alpha particles don't penetrate the skin, so it would not be dangerous to handle carefully, but if ingested alpha particles can damage internal organs. Thorium 234 is a beta emitter with half life 24.1 days. So 230 is the more dangerous.
Thorium is not commonly used as a primary source of energy because the technology for thorium-based nuclear reactors is not as developed or widely available as traditional uranium-based reactors. Additionally, there are regulatory and economic challenges that have hindered the widespread adoption of thorium as a primary energy source.
Thorium has 90 electrons.
Thorium has 90 electrons.
Thorium has 90 electrons.
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 (232Th) has 90 protons, 9o electrons and 142 neutrons.
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.
Thorium-238 has 90 protons and electrons and 148 neutrons.
Thorium, with the chemical symbol Th, is the chemical element with the atomic number 90.
90 in ground state