Biology
- Protactinium (pa)
Term: protactinium (Pa)Literally meaning: ?before actinium?Origin??????/protos(=first or of prime importance) 'á???? actis(genitive á??[é???/actinos)(=ray, beam) The name was given in order to reflect the product of the decay process. Coined/History ...
- Actinium (ac)
Term: actinium (Ac)Literally meaning: ?pertaining to ray?Origin: 'á???? actis(genitive á??[é???/actinos)(=ray, beam) The element was named after its power of emitting energy in the form of rays suchas radioactive ?radium? which comes from latin...
- Thulium (tm)
Term: thulium (Tm)Literally meaning: ?pertaining to Thoule land?Origin According Greek explorer Pytheas of Massalia (4 t6h cen BC) Thoulewas the northernmost habitable region of the world. Pytheas about 330 BC was travelled to England and then...
- Iodine (i)
Term: iodine (I)Literally meaning: ?pertaining to purple?Origin: Anc Greek???????/ioeides (=purple, violet) because of the color of elemental iodine vapor. [<???. 'é???? < /é??= violete (flower) Coined/History Iodine was discovered...
- Isotope
Term: isotopeLiterally meaning: equal or same positionOrigin: Anc Greek????/isos(=equal) combining form ???-/iso- eg isomer, isopod?????/topos(=place) because despite the different atomic weights, the various forms of an element occupy the same place...
Biology
astatine (At)
Term: astatine (At)
Literally meaning: ?pertaining to unstable?
Origin
'á/(privative, ?non?)
???????/istamai(=stand)
The element named after observation that there are no stable astatine isotopes as the longest lived isotope (astatine-210) has a half ?life of 8.3 hours.
Coined/History
For many years scientists had noticed that in Mendeleev published periodic table was a space underneath iodine known theoretically as eka-iodine but no one could identified in nature this element. In 1940, finally, the element was detected and produced by Americans physicts D.R Corson(1914-2012), K R Mackenzie (1912-2002), E Segre (1905-1989) in California by bombarding bismuth-209 with alpha particles in a cyclotron.
Definition
Astatine is a chemical element with atomic number 85 and atomic mass 210. Astatine is highly radioactive and is only available in tiny quantities with no significant influence in biosphere.
- Protactinium (pa)
Term: protactinium (Pa)Literally meaning: ?before actinium?Origin??????/protos(=first or of prime importance) 'á???? actis(genitive á??[é???/actinos)(=ray, beam) The name was given in order to reflect the product of the decay process. Coined/History ...
- Actinium (ac)
Term: actinium (Ac)Literally meaning: ?pertaining to ray?Origin: 'á???? actis(genitive á??[é???/actinos)(=ray, beam) The element was named after its power of emitting energy in the form of rays suchas radioactive ?radium? which comes from latin...
- Thulium (tm)
Term: thulium (Tm)Literally meaning: ?pertaining to Thoule land?Origin According Greek explorer Pytheas of Massalia (4 t6h cen BC) Thoulewas the northernmost habitable region of the world. Pytheas about 330 BC was travelled to England and then...
- Iodine (i)
Term: iodine (I)Literally meaning: ?pertaining to purple?Origin: Anc Greek???????/ioeides (=purple, violet) because of the color of elemental iodine vapor. [<???. 'é???? < /é??= violete (flower) Coined/History Iodine was discovered...
- Isotope
Term: isotopeLiterally meaning: equal or same positionOrigin: Anc Greek????/isos(=equal) combining form ???-/iso- eg isomer, isopod?????/topos(=place) because despite the different atomic weights, the various forms of an element occupy the same place...