Home > Science and Technology > Chemistry > Compounds and Elements

Research topic:technetium

Pictures from Google Image Search

Find more facts and information on our topic page about technetium

Create a link to this page

Copy and paste this link tag into your Web page or blog:

<a href="http://www.encyclopedia.com/doc/1E1-Tc-ptblTABLE.html" title="Facts and information about Periodic Table of the Elements: Technetium">Periodic Table of the Elements: Technetium</a>

Give this article a thumbs-up on StumbleUpon

Periodic Table of the Elements: Technetium

Periodic Table of the Elements: Technetium

Atomic Number:	43
Atomic Symbol:	Tc
	Technetium
Atomic Weight:	(98)
Electron Configuration:	2 · 8 · 18 13 · 2

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

"Periodic Table of the Elements: Technetium." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. 1 Dec. 2009 <http://www.encyclopedia.com>.

"Periodic Table of the Elements: Technetium." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. (December 1, 2009). http://www.encyclopedia.com/doc/1E1-Tc-ptblTABLE.html

"Periodic Table of the Elements: Technetium." The Columbia Encyclopedia, Sixth Edition. 2008. Retrieved December 01, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-Tc-ptblTABLE.html

Learn more about citation styles

Related newspaper, magazine, and trade journal articles from HighBeam Research

(Including press releases, facts, information, and biographies)

	Technetium-99m-tetrofosmin for parathyroid scintigraphy: Comparison to thallium-technetium scanning Magazine article from: The Journal of Nuclear Medicine; 8/1/1998; ; 700+ words ; ...hr postinjection were also obtained. Technetium-99m-pertechnetate was used for thyroid...washout technique and the thallium/technetium subtraction (TL UTC) were compared...observed (p = 0.005). Conclusion: Technetium-99m-tetrofosmin is suitable for...
	Pharmacology study of the neutral myocardial imaging agent technetium-99m-N(NOEt)2 Magazine article from: Journal of Nuclear Medicine Technology; 3/1/1999; ; 700+ words ; ...postinjection, respectively. Conclusion: Technetium-99m-N(NOEt)^sub 2^ exhibited...required. Key Words: myocardial imaging; technetium-99m-N(NOEt)^sub 2^; biodistribution...Determination of Radiochemical Purity of Technetium.99m.N(NOEt)^sub 2^ The radiochemical...
	Is Technetium-99m-MIBI a Relevant Tracer to Tumor Response to Chemotherapy of Bone Lesions? Magazine article from: The Journal of Nuclear Medicine; 5/1/1998; ; 700+ words ; Is Technetium-99m-MIBI a Relevant Tracer to Tumor...chemotherapy comparable to ^sup 201^T1. Technetium-99m-MIBI accumulation in tumors...glycoprotein (Pgp) expression (2 ). Technetium-99mMIBI is a well-documented transport...
	Interaction of technetium-99m-N-NOET with blood elements: Potential mechanism of myocardial redistribution Magazine article from: The Journal of Nuclear Medicine; 1/1/1997; ; 700+ words ; Technetium-99m-N-NOET is a new ^sup 99m...five hearts (Group 5). Results: Technetium-99m-N-NOET myocardial uptake...8.6%) in triple-washed RBCs. Technetium-99m-N-NOET bound to RBCs was subsequently...
	The false negative technetium-99m-sestamibi scan in patients with primary hyperparathyroidism: Correlation with clinical factors and operative findings / Discussion Magazine article from: The American Surgeon; 3/1/2003; ; 700+ words ; ...FN) results limit the efficacy of technetium-99m-sestamibi scanning for parathyroid...preoperative normocalcemia. CURRENTLY TECHNETIUM-99M-SESTAMIBI scintigraphy has the...to an increased enthusiasm for using technetium-sestamibi parathyroid imaging before...
	Dishonourable discharge.(British Nuclear Fuels plans to pump large amounts of radioactive technetium-99 into the Irish Sea)(Brief Article) Magazine article from: New Scientist; 12/9/2000; 700+ words ; ...to pump large amounts of radioactive technetium-99 into the Irish Sea for the next...right is on their side. The case of technetium is unusual. In contrast to releases of most other radionuclides, discharges of technetium have shot up (see p 18). Levels have...
	Comparison of technetium-99m-MIBI and technetium-99m-tetrofosmin uptake by musculoskeltal sarcomas Magazine article from: The Journal of Nuclear Medicine; 5/1/1997; ; 700+ words ; Technetium-^sup99m^-MIBI was initially developed...both background regions. Conclusion: Technetium^sup99m^-MIBI and ^sup99m^Tc...Key Words: musculoskeletal sarcoma; technetium-^sup99m^-MIBI; technetium-99m...
	Procedure Guideline for Brain Perfusion SPECT Using Technetium-99m Radiopharmaceuticals Magazine article from: The Journal of Nuclear Medicine; 5/1/1998; ; 700+ words ; ...Radiopharmaceuticals (See Tables 1 and 2.) a. Technetium-99m-HMPAO (exametazime [unstabilized]). b. Technetium-99m-HMPAO (exametazime [stabilized]). c. Technetium-99m-bicisate (ethyl cystine dimer [ECD]). 2...
	Comparison of technetium-99m-LL-EC isomers in rats and humans Magazine article from: The Journal of Nuclear Medicine; 5/1/1997; ; 700+ words ; Technetium-99m-L,L-ethylenedicysteine...timed urine collections. Results: Technetium-99mDD-EC had the highest clearance...99m^Tc-DL-EC, respectively. Technetium- ^sup 99m^Tc-DD and ^sup 99m...
	Technetium uptake in soil and plants.(New Studies Offer Potential Solutions For N-Waste Technology, Planning) Newspaper article from: Nuclear Waste News; 6/2/2005; 439 words ; TECHNETIUM UPTAKE IN SOIL AND PLANTS. D. Ashworth...columns of 50 x 15 cm to see how fast technetium-95m to migrate from a contaminated...loam soil and into perennial ryegrass (technetium-95 was a surrogate for technetium...

For more facts and information, see all related premium articles

Related entries from encyclopedias, dictionaries, and thesauruses

	Technetium Heart Scan Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed. Technetium Heart Scan Definition The technetium heart scan is a noninvasive nuclear scan that uses a radioactive isotope called technetium to evaluate blood flow after a heart attack. Purpose The...
	Technetium (revised) Book article from: Chemical Elements: From Carbon to Krypton TECHNETIUM (REVISED) Note: This article, originally...2006 for the eBook edition. Overview Technetium is the only element below uranium that...PRONUNCIATION tek-NEE-she-um Today, technetium has very few — but very important...
	Technetium Book article from: Chemistry: Foundations and Applications Technetium melting point: 2,157 ° C...TcO 4 − The discovery of technetium in 1937 by the Italian scientists Carlo...element had ever been found. (In fact, technetium does not occur naturally on Earth...
	technetium Book article from: The Columbia Encyclopedia, Sixth Edition technetium [Gr. technetos =artificial], artificially...calculated); valence +4, +6, or +7. Technetium is a radioactive silver-gray metal...element. The most stable isotope, technetium-98, has a half-life of 4.2 million...
	technetium star Book article from: A Dictionary of Astronomy technetium star A carbon star with technetium lines in its spectrum. Since the longest-lived isotope of technetium that can be created by stellar nucleosynthesis has a half-life of only 210 000 years, this material must have been...