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The name protactinium is derived from:
- protos which in Greek language is first, before
- actinium (the chemical element), because the isotope Pa-231 decay to Ac-227
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∙ 9y ago
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Why is the symbol for protactinium pa?
The chemical symbol for protactinium is Pa because Pr, Po, and Pt were already taken. Protactinium was discovered in 1913. Praseodymium (Pr, discovered in 1885), polonium (Po, discovered in 1898), and platinum (Pt, known at least since the 1500s) were already discovered and named. The symbol Pa uses the first unused letter (a) in protactinium's name.
Is protactinium corrosive?
Protactinium is not corrosive.
What odor does protactinium?
Protactinium have no odor.
Is protactinium magnetic?
Protactinium is paramagnetic.
Is protactinium a metalloid?
Protactinium is a metal.
Does protactinium react with water?
Protactinium is a reactive metal; protactinium react with water vapours, acids, oxygen, halogens,etc.
What is made from protactinium?
Nothing is made from protactinium.
Is protactinium metal?
yes, protactinium is a metal
Does protactinium have an odor?
Protactinium hasn't an odor.
Is protactinium a metal?
Because the properties (chemical and physical) of protactinium are the general properties of metals.
What is protactinium made by?
Protactinium is a natural chemical element; but protactinium can be obtained artificially by nuclear reactions from 232Th.
When was protactinium made?
Protactinium is a natural chemical element; but protactinium can be obtained artificially by nuclear reactions from 232Th.
