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Yakvenalex [24]
3 years ago
10

Given their location on the periodic table, identify the ionic charge for each element and predict the compound formed by the ba

rium and chloride ions.
Chemistry
2 answers:
Maurinko [17]3 years ago
8 0
Barium has a 2+ charge as it is in group 2 in the periodic table and so it has two electrons in its outer shell and chloride has a -1 charge on its chloride ion. So we will need two of the chloride ions as we have a 2+ charge to match the amount of charge on one barium ion- forming barium ion

BaCI2
alexandr402 [8]3 years ago
5 0

Explanation:

Atomic number of barium is 56 and its electronic configuration is [Xe]6s^{2}.

Since, barium is a group 2 metal so in order to attain stability it will readily lose two electrons. Hence, barium will acquire a +2 charge and forms Ba^{2+} ion.

On the other hand, chlorine is a group 17 element and its electronic distribution is 2, 8, 7. Hence, to attain stability it will gain one electron and forms Cl^{-} ion.

Thus, we can conclude that charge on barium ion is +2 and charge on chlorine ion is -1.

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Answer: N = 2.78 × 10^23 atoms

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Completed Question:

Calculate the number of gold atoms in a 70g sample of gold(III) chloride . Be sure your answer has a unit symbol if necessary, and round it to significant digits

Explanation:

Given:

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