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Ionic Bonding and Writing Formulas

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Checking 5 minutes after the bell. Warm-Up 11/19/14 Draw the Lewis dot structures for when the following become ions. Don’t forget the charge! Ca  Br  Mg Li Se Checking 5 minutes after the bell.

-Know how ions form ionic compounds. Objective: -Know how ions form ionic compounds. -Write chemical formulas for ionic compounds. 11/19/13 Agenda Quiz Friday Warm-Up Ionic Bonding

Electron configurations Lewis dot structures Quiz Friday Three definitions: 1) aufbau principle 2) Pauli exclusion principle 3) Hund’s rule Electron configurations Lewis dot structures Allowed an approved periodic table.

Checking 5 minutes after the bell. Warm-Up 11/19/14 Draw the Lewis dot structures for when the following become ions. Don’t forget the charge! Ca  Br  Mg Li Se Checking 5 minutes after the bell.

Ionic Compound – a compound composed of cations and anions (pg. 194) Words to Know Cation Anion Ionic Compound – a compound composed of cations and anions (pg. 194) Ionic Bond – The forces that hold ions together in ionic compounds (pg. 194)

Words to Know Chemical formula – shows the number and types of atoms in the smallest representative unit of a substance (ex. NaCl and not Na2Cl2) Formula unit – lowest whole-number ratio of ions in an ionic compound (pg. 195)

Ionic Compound – a compound composed of cations and anions (pg. 194) What does it mean?? Ionic Compound – a compound composed of cations and anions (pg. 194) Ionic Bond – The forces that hold ions together in ionic compounds (pg. 194)

Ionic Compound – a compound composed of cations and anions (pg. 194) What does it mean?? Ionic Compound – a compound composed of cations and anions (pg. 194) Ionic Bond – The forces that hold ions together in ionic compounds (pg. 194) LiBr

What does it mean?? Formula unit – lowest whole-number ratio of ions in an ionic compound (pg. 195)

What happens when a magnesium ion bonds with a chlorine ion? Try one! What happens when a magnesium ion bonds with a chlorine ion? Try writing the chemical formula of it. Start with figuring out what type of ions each becomes first.

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Split a half sheet with someone. Now try these combinations! Debrief Split a half sheet with someone. Now try these combinations! 1) Calcium with fluorine 2) Rubidium (Rb) with oxygen 3) Magnesium with phosphorus DON’T FORGET YOUR NAME!

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Reading Questions How is light produced? What visible color is produced with a low amount of energy? What is the relative frequency and wavelength associated with this color? What visible color is produced with a high amount of energy? What is the relative frequency and wavelength associated with this color? According to your data, which cation had the highest energy release? Lowest?