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The meaning of protactinium is before actinium. The name is from 1949, probably selected by IUPAC.

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What is the origin name of protactinium?

The meaning of protactinium is before actinium.


Why is protactinium named protactinium?

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


What element's name comes from two Greek words that together mean the parent of actinium?

Protactinium. The name comes from the Greek words "protos" meaning first, and "actinium" which are the parent elements of protactinium in the decay chain.


What is the name of the element with the atomic numer91?

The element with atomic number of 91 is protactinium, Pa. It is an inner transition metal.


What is the one hundred ninth element in the periodic table of the elements?

The 109th element in the periodic table is Meitnerium (Mt). It is a synthetic element and is radioactive, with a very short half-life. It was first synthesized in 1982 by a team of German researchers.


What is another name for protactinium?

Only protactinium is the correct name today.


What is the name of the time required to change a part of a radioactive element to a stable element?

The name for the time required for half of a radioactive element to decay into a stable element is called the half-life. It is a constant value unique to each radioactive isotope, and it is used to measure the rate of radioactive decay.


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.


Which element points to the area where the name of a selected cell or range appears?

The Name Box.


Does protactinium have any other names?

Today only protactinium is a correct name.


Why is protactinium called protactinium?

The name protactinium is derived from the Greek language words protos (the first) and aktos (radiation). Also protactinium disintegrate to actinium - it is protos for actinium.


What element has qg as part of its name?

The element with "qg" as part of its name is Roentgenium, with the chemical symbol Rg. It is a synthetic element with atomic number 111 and is highly radioactive.