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I m troubuling with flourides,chlorides and oxide of different elements ,is there any rule inorder to find them if yes then please explain it step by step.
Explain it so as a 10 year could understand it...please help
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Answers (1)
Chloride ions contain a single chlorine atom, which typically has seven electrons. When a Cl atom becomes a Cl 1- ion, it gains a single electron with charge -1. The same process follows for O 2- and F 1- ions; fluorine gains a single -1 electron, creating an ion with charge -1, while oxygen gains two -1 electrons (since it typically has six), creating an ion with charge -2.
To find the ionic compounds of any positively charged cation with the F, O, and Cl ions, you first must determine the charge of the positive ion. For example, if you are making sodium chloride (NaCl), sodium has a +1 charge since it is in the first family (vertical column), and the charges on the positive and negative ions must be equal. To compensate, you need one chloride ion for your sodium ion.
Another example is using magnesium (Mg) to make magnesium fluoride (MgF2). In this case, magnesium carries a +2 charge, so in order to make the charges equal, you require two fluoride ions of a -1 charge each.
Hope this helps!