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What is the ionic ratio for calcium (Ca) and chlorine (Cl)?

A) 1:2
B) 2:1
C) 2:3
D) 3:2

User Ninel
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1 Answer

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Final answer:

The ionic ratio for calcium and chlorine in calcium chloride is 1:2, consistent with the formula CaCl2 where one calcium ion pairs with two chloride ions to form a neutral compound.

Step-by-step explanation:

The question is asking about the ionic ratio for calcium (Ca) and chlorine (Cl) in the compound calcium chloride. Calcium has a charge of +2 (Ca2+), and chlorine has a charge of -1 (Cl-). To form a neutral compound, two chloride ions are needed to balance the charge of one calcium ion. Therefore, the correct ionic ratio for calcium and chlorine in calcium chloride is 1:2, meaning one calcium ion to two chloride ions, which is reflected in the chemical formula CaCl2.

User Ruslangm
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