Topic: Actinides
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What are actinides?
Actinides This is a group of elements within the periodic table and are also known as the transuranics. The name refers to those elements with increasing atomic no. from actinium, which all have similar chemical properties, like the lanthan... Read More »
Source: http://wiki.answers.com/Q/What_are_some_characters_of_Actinides
What is an actinide
Actinide is an element in the periodic table from actinium (atomic number 89) to lawrencium (atomic number 103). Read More »
Source: http://www.chacha.com/question/what-is-an-actinide
What are Lanthanides and Actinides?
Elements. The Lanthanides are: Atomic No. 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 Name La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu The Actinides are: Atomic No. 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 Name Ac Th Pa U Np Pu Am... Read More »
Source: http://wiki.answers.com/Q/What_are_Lanthanides_and_Actinides
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Actinides
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Actinide series, a series of radioactive metallic elements in Group 3 of the periodic table. Members of the series are often called actinides, although actinium (Ac, atom no. 89) is not always considered a member of the series. The series a...
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Source: http://wiki.answers.com/Q/What_are_characteristics_of_the_actinid...
period 7
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Source: http://wiki.answers.com/Q/What_period_are_the_actinides_a_part_of
actinides: any of a series of radioactive elements with atomic numbers 89 through 103... Lanthanide/lanthanoid ) series comprises the 15 elements with atomic numbers 57 through 71..... They're all synthetic and can't be found naturally...
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Source: http://wiki.answers.com/Q/What_are_actinides_and_lanthanides
Answer From the earlier known chemical properties of Actinium (89) up to Uranium (92), indicating a relation to the transition metals, it was generally assumed that the transuraniums would have similar qualities. During his Manhattan Projec...
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Source: http://wiki.answers.com/Q/What_is_the_actinide_concept
I dunnu, I googled the same thing. This guys notes says "A group of elements in the first row of the rare earth elementsin the periodic table"
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Source: http://wiki.answers.com/Q/What_are_lanthinides_and_actinides
radioactive
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Source: http://wiki.answers.com/Q/What_is_unique_about_actinides
