Topic: Barium BA
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Answers to Common Questions
How many atoms are in a mole of barium chloride, BaCl2?
6.022 x 10 23 molecules . This is Avogadro's number and a mole of anything. Since there are three atoms in each molecule, one of Barium and two of Chlorine, the number of atoms is three times that, or 1.807 x 10 24 . Read More »
Source: http://wiki.answers.com/Q/How_many_atoms_are_in_a_mole_of_barium_...
Which element is more reactive lithium Li or barium Ba?
Lithium as it is an alkaline metal. However Barium being an alkaline earth has the greater total reactant energy. Note: There are comments associated with this question. See the discussion page to add to the conversation. Read More »
Source: http://wiki.answers.com/Q/More_reactive_lithium_or_barium
What is the mass of one molecule of barium BaSiF6?
Barium siliconhexafluoride. 279.39 grams BaSiF6 = 1 mole of BaSiF6/6.022 X 10^23 = 1.66 X 10^-24, which is the mole ratio of one molecule of BaSiF6. So, ... (279.39 grams) * (1.66 X 10^-24) = 4.64 X 10^-22 grams in one molecule of BaSiF6 Read More »
Source: http://wiki.answers.com/Q/What_is_the_mass_of_one_molecule_of_bar...
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Barium BA
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Answers to Other Common Questions
i know that put simply, barium is in period 6 because it has 6 outer shell electrons but i'm not sure about the group
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Source: http://wiki.answers.com/Q/Why_is_barium_Ba_placed_in_group_2_and_...
When combining atoms or groups to form a compound, look at their charges to determine how many of each you need in order for the positive and negative charges to cancel out (form a neural compound). Since Ba has a +2 charge and OH has a -1 ...
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Source: http://wiki.answers.com/Q/What_is_the_formula_for_the_compound_fo...
[Xe] Normally the electronic configuration for Barium would be [Xe] 6s2, but since you want it for Ba2+, you're missing two electrons. You get rid of the 6s2 and get [Xe].
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Source: http://wiki.answers.com/Q/What_is_the_correct_electronic_configur...
The molar mass of Ba(OH)2 = 171.34168 g/mol. Molecular weight calculation: 137.327 + (15.9994 + 1.00794)*2.
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Source: http://www.chacha.com/question/what-is-the-molar-mass-of-the-comp...
Its because of their oxidation number. Barium belongs to Group IIA where the oxidation number is 2+ while Bromine belongs to Group VIIA where the oxidation number is 1-. Doing the crisscross method, the resulting ionic formula would be BaBr...
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Source: http://answers.yahoo.com/question/index?qid=20090914214112AAyhSaJ
Since it is one of the IIA elements, I believe the charge is 2+
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Source: http://answers.yahoo.com/question/index?qid=20080407091439AAMHY4B
