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Unit 1 Chemical Bonding: Ionic

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1 Unit 1 Chemical Bonding: Ionic
1.6 What is in a name of an ionic compound? AIM: How do we name ionic compounds? DO NOW: Write the chemical formula for the following two ions when they bond: Cu +1 SO4 -2 Cu (SO4) 2 1

2 CATIONS and ANIONS CATION POSITIVELY CHARGED ION
USUALLY METAL ANION NEGATIVELY CHARGED ION USUALLY NON-METAL

3 IONIC COMPOUNDS LOOK AT THE LIST OF COMPOUNDS PRESENTED
NAME SIMILARITIES YOU NOTICE WRITE DOWN THE SIMILARITIES IN THE BOX PROVIDED Calcium Sulfide Aluminum Iodide Potassium Oxide Lithium Chloride SIMILARITY: All end in -ide Cation named first Metal named first Non-Metal named second

4 HOW DO WE NAME IONIC COMPOUNDS?
STEPS DESCRIPTION EXAMPLE: NaCl IDENTIFY THE ATOMS USED IONS FORMED ADD THE -IDE Find the names of the atoms used on the Periodic Table Na Sodium Cl Chlorine CATION is first ANION is second Na+ Cation Cl- Anion CATION name stays the same ANION ending changes to -ide Sodium Chloride Chlorine

5 IONIC COMPOUNDS LOOK AT THE LIST OF COMPOUNDS PRESENTED
NAME SIMILARITIES YOU NOTICE WRITE DOWN THE SIMILARITIES IN THE BOX PROVIDED Berrylium Sulfate Sodium Nitrite Magnesium nitrate Sodium Dichromate SIMILARITY: All end in –ate or ite Metal first Polyatomic ion named second

6 HOW DO WE NAME COMPOUNDS WITH POLYATOMIC IONS?
STEPS DESCRIPTION EXAMPLE: NaNO2 IDENTIFY THE ATOMS USED IONS FORMED WRITE IT OUT (Depending on the oxidation states) Find the names of the atoms used on the Periodic Table Na Sodium NO2 Nitrite CATION (metal) is first ANION is second Na+ Cation NO2- Anion CATION name stays the same ANION polyatomic ion stays the same Sodium Nitrite

7 HOW DO WE WRITE FORMULAS WHEN NAME IS PROVIDED?
STEPS DESCRIPTION EXAMPLE: CALCIUM IODIDE IDENTIFY THE ATOMS USED IONS FORMED CRISS-CROSS RULE Find the names of the atoms used on the Periodic Table CalciumCa Iodide I CATION (metal) is first ANION is second Ca Cation Ca+2 I Anion I- Exponent becomes the subscript of the opposing ion Ca+2 I- Ca1 I2 Ca I2

8 NEXT Complete the INDEPENDENT PRACTICE
When you are done, you may work on the following: YOUR LAB - you will be allowed to use this on your quizzes and (some of) your exams


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