what is an ionic bond?
DESCRIPTION
Ionic Bond: When an atom donates electrons to another atom. What is an ionic bond?. Oxidation Numbers. The charge must be neutral for these compounds. Ionic Bonds. Ionic Bonds. Neutral Compound. What is Li and O?. NaBr. 1. Sodium + Bromine 2. Magnesium + Nitrogen - PowerPoint PPT PresentationTRANSCRIPT
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What is an ionic bond?
»Ionic Bond: When an atom donates electrons to another atom
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Oxidation Numbers
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Ionic Bonds
» The charge must be neutral for these compounds
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Ionic Bonds
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Neutral Compound
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What is Li and O?
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Practice
» 1. Sodium + Bromine
» 2. Magnesium + Nitrogen
» 3. Calcium + Sulfur
» 4. Calcium + Chlorine
» 5. Aluminum + Fluorine
NaBr
Mg3N2
CaS
CaCl2
AlF3
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Practice
» 1. Potassium + Fluorine » 2. Magnesium + Iodine » 3. Sodium + Oxygen
» 4. Sodium + Chlorine
» 5. Magnesium + Oxygen » 6. Aluminum + Chlorine
KF
MgI2
Na2O
NaCl
MgO
AlCl3
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Naming Ionic Compounds
Name Metal
Name Non-Metal
Drop ending and add -ide
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Naming Example
NaCl Sodium Chlorine
Sodium Chloride
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Naming Practice
» 1. Sodium + Bromine
» 2. Magnesium + Nitrogen
» 3. Calcium + Sulfur
» 4. Calcium + Chlorine
» 5. Aluminum + Fluorine
NaBr
Mg3N2
CaS
CaCl2
AlF3
Sodium Bromide
Magnesium Nitride
Calcium Sulfide
Calcium Chloride
Aluminum Fluoride
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Naming Practice
KFMgI2
Na2ONaClMgOAlCl3
Potassium Fluoride
Magnesium Iodide
Sodium Oxide
Sodium ChlorideMagnesium Oxide
Aluminum Chloride
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Mixed Practice
» Calcium + Sulfur
» Cesium + Iodine
» Calcium Iodide
» Aluminum Nitride
» Lithium Phosphide
» Indium + Oxygen
» Strontium Iodide
» Rubidium + Bromine
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Name…
» KCl» LiF» CaBr2
» BaF2
» Fr3S
» K3P
» BeBr2
» NaCl
Potassium Chloride
Lithium Fluoride
Calcium Bromide
Barium Fluoride
Francium Sulfide
Potassium Phosphide
Beryllium Bromide
Sodium Chloride
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Transition Metals
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Transition Metals
» Transition Metals have varying valence electrons
» Exceptions: »Ag is always 1+»Zn is always 2+»Cd is always 2+
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Why the different charges?
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What is the charge of the metal?
» ZnCl2
» FeP» MnBr2
» CuF2
» MnO2
» PbO» SnS2
» Fe2O
23
2
24
2
4
1
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Naming Transition Metals
Name Metal
Label Charge Using Roman
Numerals
Drop ending and add -ide
Name Non-Metal
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Roman Numerals
1 2
3 4
5 6
7 8
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Naming Example
»Name: ZnCl2
˃Zinc (II) Chloride
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Write the Compound
» Copper (I) Chloride» Manganese (III) Sulfide» Tin (IV) Oxide» Gallium (III) Nitride» Chromium (III) Sulfide» Lead (II) Fluoride
CuCl
Mn2S3
SnO2
GaNCr2S3
PbF2
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Name the Compound
» Cu3N2
» Fe2S3
» ZnCl2
» AgCl» Cd3N2
» MnO2
» NiS
Copper (II) NitrideIron (III) Sulfide
Zinc (II) Chloride
Silver (I) Chloride
Cadmium (II) Nitride
Manganese (IV) Oxide
Nickel (II) Sulfide
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Polyatomic Ions
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Look Familiar?
» Sulfate» Sulfite» Carbonate» Nitrate» Bicarbonate» Nitrite» Phosphate» Hydroxide » Ammonium » Acetate
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Write the Compound
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Naming Polyatomic Ions
Name Metal
Label Charge if Necessary
Name Polyatomic
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Naming Example
»CuSO3
˃Copper (II) Sulfite
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Name these Polyatomic Ions
» Ag2SO4
» MgCO3
» Zn2SO4
» Mg(OH)2
» Nb(NO3)2
» NaC2H3O2
silver (I) sulfatemagnesium carbonate
zinc (I) sulfatemagnesium hydroxide
niobium (II) nitrate
sodium acetate
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Write the Compound
» aluminum and sulfate » ammonium and sulfur » barium and hydroxide » magnesium and phosphate » lead(IV) and sulfite » strontium and carbonate » zinc(II) and phosphate » ammonium and oxygen » calcium and nitrate » tungsten(II) and sulfate
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Naming Guide
Standard Charge
Metal with Multiple Charge
Polyatomic Ion
Non-metal• Name Non-Metal• Drop Ending• Add -ide
Polyatomic Ion• Name Ion
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Properties of Ionic Compounds
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» Form Crystals» High melting and boiling points» Hard and brittle» Conduct electricity when dissolved
Properties of Ionic Compounds
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Crystal Structure
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Metallic Bonds
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Electron Sea Model
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Metals are not ionic but DO share many properties with ionic compounds.
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Properties
Ionic MetallicConductor of Electricity Dissolved X
Malleable XBrittle X
Lustrous XHigh Melting Point X SomeLow Boiling Point
Ductile XPoor Conductor of Heat Solid