Writing formulas for Ionic Compounds Review Ionic compounds
![Writing formulas for Ionic Compounds Writing formulas for Ionic Compounds](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-1.jpg)
![Review • Ionic compounds are composed of cations (metals) and anions (nonmetals). • Although Review • Ionic compounds are composed of cations (metals) and anions (nonmetals). • Although](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-2.jpg)
![Writing Binary Ionic Formulas • The cation (Metal) with the correct oxidation number is Writing Binary Ionic Formulas • The cation (Metal) with the correct oxidation number is](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-3.jpg)
![Binary Ionic Formulas • Criss– cross the charges from superscripts to subscripts using only Binary Ionic Formulas • Criss– cross the charges from superscripts to subscripts using only](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-4.jpg)
![For Example +2 A -3 B A 3 B 2 For Example +2 A -3 B A 3 B 2](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-5.jpg)
![• Check to make sure the subscripts are in the lowest possible ratio • Check to make sure the subscripts are in the lowest possible ratio](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-6.jpg)
![For Example: A 4 B 6 A 2 B 3 For Example: A 4 B 6 A 2 B 3](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-7.jpg)
![Example Write the correct ionic formula for Barium and Chlorine. Step 1: Write the Example Write the correct ionic formula for Barium and Chlorine. Step 1: Write the](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-8.jpg)
![Barium and Chlorine +2 -1 Ba Cl Barium and Chlorine +2 -1 Ba Cl](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-9.jpg)
![Step 2: Criss-cross the superscripts to subscripts using only the absolute value Ba+2 Cl-1 Step 2: Criss-cross the superscripts to subscripts using only the absolute value Ba+2 Cl-1](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-10.jpg)
![Step 3: Make sure all subscripts are in the lowest possible ratio. Ba. Cl Step 3: Make sure all subscripts are in the lowest possible ratio. Ba. Cl](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-11.jpg)
![Writing Formulas for Ternary Ionic Compounds (3+ Elements) • Formulas of Ionic compounds Containing Writing Formulas for Ternary Ionic Compounds (3+ Elements) • Formulas of Ionic compounds Containing](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-12.jpg)
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![Write the correct formula for the following binary ionic compounds: • • Potassium and Write the correct formula for the following binary ionic compounds: • • Potassium and](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-14.jpg)
![Writing Formulas for Ternary Ionic Compounds (3+ Elements) • Write the formula for: sodium Writing Formulas for Ternary Ionic Compounds (3+ Elements) • Write the formula for: sodium](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-15.jpg)
- Slides: 15
![Writing formulas for Ionic Compounds Writing formulas for Ionic Compounds](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-1.jpg)
Writing formulas for Ionic Compounds
![Review Ionic compounds are composed of cations metals and anions nonmetals Although Review • Ionic compounds are composed of cations (metals) and anions (nonmetals). • Although](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-2.jpg)
Review • Ionic compounds are composed of cations (metals) and anions (nonmetals). • Although they are composed of ions, ionic compounds are electrically neutral. The positive charge equals the negative. • The positive charge and the negative charge attract one another. This is how the bond is formed.
![Writing Binary Ionic Formulas The cation Metal with the correct oxidation number is Writing Binary Ionic Formulas • The cation (Metal) with the correct oxidation number is](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-3.jpg)
Writing Binary Ionic Formulas • The cation (Metal) with the correct oxidation number is written first • The anion (nonmetal) with the correct oxidation number is written second
![Binary Ionic Formulas Criss cross the charges from superscripts to subscripts using only Binary Ionic Formulas • Criss– cross the charges from superscripts to subscripts using only](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-4.jpg)
Binary Ionic Formulas • Criss– cross the charges from superscripts to subscripts using only their absolute value
![For Example 2 A 3 B A 3 B 2 For Example +2 A -3 B A 3 B 2](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-5.jpg)
For Example +2 A -3 B A 3 B 2
![Check to make sure the subscripts are in the lowest possible ratio • Check to make sure the subscripts are in the lowest possible ratio](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-6.jpg)
• Check to make sure the subscripts are in the lowest possible ratio to one another
![For Example A 4 B 6 A 2 B 3 For Example: A 4 B 6 A 2 B 3](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-7.jpg)
For Example: A 4 B 6 A 2 B 3
![Example Write the correct ionic formula for Barium and Chlorine Step 1 Write the Example Write the correct ionic formula for Barium and Chlorine. Step 1: Write the](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-8.jpg)
Example Write the correct ionic formula for Barium and Chlorine. Step 1: Write the cation (with correct oxidation number) first And the anion (with the correct oxidation number second)
![Barium and Chlorine 2 1 Ba Cl Barium and Chlorine +2 -1 Ba Cl](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-9.jpg)
Barium and Chlorine +2 -1 Ba Cl
![Step 2 Crisscross the superscripts to subscripts using only the absolute value Ba2 Cl1 Step 2: Criss-cross the superscripts to subscripts using only the absolute value Ba+2 Cl-1](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-10.jpg)
Step 2: Criss-cross the superscripts to subscripts using only the absolute value Ba+2 Cl-1 Ba. Cl 2 Why is there no subscript for Ba?
![Step 3 Make sure all subscripts are in the lowest possible ratio Ba Cl Step 3: Make sure all subscripts are in the lowest possible ratio. Ba. Cl](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-11.jpg)
Step 3: Make sure all subscripts are in the lowest possible ratio. Ba. Cl 2 If there are in the lowest possible ratio you are done!!
![Writing Formulas for Ternary Ionic Compounds 3 Elements Formulas of Ionic compounds Containing Writing Formulas for Ternary Ionic Compounds (3+ Elements) • Formulas of Ionic compounds Containing](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-12.jpg)
Writing Formulas for Ternary Ionic Compounds (3+ Elements) • Formulas of Ionic compounds Containing Polyatomic Ions- it is imperative that you know the correct charges on these ions!!!!! When using multiple polyatomics, you must “keep it together” by putting it in parenthesis. • Example: Ca 3(PO 4)2 - calcium phosphate • The charge must still equal zero!
![](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-13.jpg)
![Write the correct formula for the following binary ionic compounds Potassium and Write the correct formula for the following binary ionic compounds: • • Potassium and](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-14.jpg)
Write the correct formula for the following binary ionic compounds: • • Potassium and Iodine Calcium and Fluorine Aluminum and Sulfur Iron(III) and Oxygen (watch out for the transition metal)
![Writing Formulas for Ternary Ionic Compounds 3 Elements Write the formula for sodium Writing Formulas for Ternary Ionic Compounds (3+ Elements) • Write the formula for: sodium](https://slidetodoc.com/presentation_image/156a467cf759ea6c92931d077b5d5031/image-15.jpg)
Writing Formulas for Ternary Ionic Compounds (3+ Elements) • Write the formula for: sodium phosphate: ammonium sulfide:
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