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Search "Actinium"
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Actinium | |
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About 13 pages (4,024 words) in 5 products |
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Interactive Periodic Table
Interactive Periodic Table
 Try our free, interactive periodic table of the elements. Mouse over an element to view details, click on an element for a full summary. 
Encyclopedia and Summary Information
 summary from source:
 Actinium Summary
856 words, approx. 3 pagesActinium Symbol Ac Atomic Number 89 Atomic Mass 227.0278 Family Group 3 (IIIB) Transition metal Pronunciation ack-TIN-ee-um Overview Actinium is the third element in Row 7 of the periodic table, a chart that shows how the chemical elements are related... summary from source:
 Actinium Summary
221 words, approx. 1 pagesActinium (chemical symbol: Ac) has an atomic number of 89, making it the first member of the second family of rare earth-like elements known as the actinides. All elements in this family, including actinium, are radioactive. The element occurs as a... summary from source:
 Actinium Summary
190 words, approx. 1 pagesActinium is the third element in Row 7 of the periodic table. Its atomic number is 89 and chemical symbol is Ac. Actinium is a radioactive element, whose most common isotope has a mass of 227. Only a limited amount of information is known about the... summary from source:
Actinium Summary
2,003 words, approx. 7 pages Actinium Symbol Kr Atomic Number 36 Atomic Mass 83.80 Family Group 18 (Viiia) Noble Gas Pronunciation KRIP-ton Overview Krypton was one of three noble gases discovered in 1898 by Scottish chemist and physicist Sir William Ramsay (1852-1916) and English... summary from source:
 Actinium Information
754 words, approx. 3 pages
Actinium (pronounced /ækˈtɪniəm/) is a chemical element with the symbol Ac and atomic number...
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About 13 pages (4,024 words) in 5 products |
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