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Promethium 145 has a half life of 17.7 years.
Promethium 146 has a half life of 5.53 years.
Promethium 147 has a half life of o.22 years.
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∙ 12y ago
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What are three compounds containing promethium?
Promethium salts, oxides, and halides are common compounds of promethium. Promethium oxide (Pm2O3) and promethium chloride (PmCl3) are among the compounds that can be formed with promethium.
What phase changes can happen to promethium?
Promethium can be melted and boiled.
How does promethium smell like?
Promethium does not occur naturally on earth, but as a by-product of uranium fission. It is very radioactive and its salts have a pinkish or reddish color. Promethium colors its surrounding air with a pale blue-green light.
Can promethium be used on edible plants?
It is impossible, promethium is highly radioactive.
What is the chemical symbol fo promethium?
The chemical symbol of promethium is Pr.
What two 'light' elements have no stable nonradioactive isotopes?
The two elements are elements 43, Tc, technetium, and 61, Pm, promethium. Technetium has a few "nearly stable" isotopes with half-lives of over a million years. Promethium's longest lived isotope has a half-life of about 20 years.
How much is promethium per pound?
Promethium is a rare earth metal and it is not commonly traded in pound units. Pricing for promethium can vary depending on the source and market conditions. It is typically priced per gram or kilogram rather than per pound.
What substances are in promethium bromide?
Promethium bromide contain promethium and bromine.
Is Promethium magetic?
Yes, Promethium is a radioactive element that is paramagnetic, meaning it is weakly attracted to magnetic fields.
Is promethium flamable?
Promethium is not flammable.
What are three compounds containing promethium?
Promethium salts, oxides, and halides are common compounds of promethium. Promethium oxide (Pm2O3) and promethium chloride (PmCl3) are among the compounds that can be formed with promethium.
Is promethium soluble?
Promethium is not soluble in water.
Is promethium a solid?
Yes. Promethium is a solid.
Is promethium a flamable element?
Promethium is not flammable.
What is the normal stage of promethium?
Promethium is a metal.
Does promethium have protons?
Promethium has 61 protons.
What is the normal phase of promethium?
Promethium is typically a solid at room temperature, specifically a metal.
