0
Some facts about promethium are:
Promethium is an artificial element, radioactive, unstable, solid, metal, atomic number 61 , lanthanoid.
- melting point: 1 042 0C
- boiling point; 3 000 0C
- density: 7,26 g/cm3
- Pauling electronegativity: 1,13
- first ionization energy: 540 kJ/mol
- empirical atomic radius; 183 pm
- crystalline structure: double hexagonal close packed
- thermal conductivity: 17,9 W/m.K
- electrical resistivity: 0,75 microohm.m
- paramagnetic
Still curious? Ask our experts.
Chat with our AI personalities
Fran
Maxine
RenePromethium is a rare earth metal with atomic number 61. It is radioactive and not found naturally on Earth, being a synthetic element. Promethium compounds have luminescent properties and are used in luminous paint, atomic batteries, and as a radiation source for thickness gauges.
Add your answer:
Earn +20 pts
Is promethium a conductor of heat?
Yes, promethium is a conductor of heat. It has good thermal conductivity properties, which means it can transfer heat efficiently.
How is promethium different from the other lanthanides?
Promethium is the only lanthanide that is radioactive and does not have stable isotopes. It is also challenging to study due to its radioactivity. Additionally, promethium has unique chemical properties compared to other lanthanides.
What does the promethium look like?
Promethium is a radioactive, silvery metallic element that is rare in its pure form. It may appear similar to other metallic elements but is distinguished by its radioactivity and glowing properties. In practical applications, promethium is usually in the form of a phosphor or a powder used in luminous paint or in radioactive power sources.
Is Promethium magetic?
Yes, Promethium is a radioactive element that is paramagnetic, meaning it is weakly attracted to magnetic fields.
What is the normal phase of promethium?
Promethium is typically a solid at room temperature, specifically a metal.
