Q2: What is the formula & name for a molecule created by a chlorate ion and aluminum. Write the formula for carbon tetrafluoride. 3. Write the name of.

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Presentation transcript:

Q2: What is the formula & name for a molecule created by a chlorate ion and aluminum. Write the formula for carbon tetrafluoride. 3. Write the name of N2O4. 4. What causes some molecules to be polar?

Aluminum Chlorate Formula: Al(ClO3)3 1) What is the formula for the molecule is created between a chlorate ion and aluminum. Then write its name. Aluminum Chlorate Formula: Al(ClO3)3

2. Write the formula for carbon tetrafluoride. C F 4

Q2: Write the name of N2O4. Di nitrogen Tetra oxide

Single Covalent Bond Double Covalent Bond

4) What causes some molecules to be polar? Type of atom (size) (some attract e- more) 2. Molecule’s shape

Vocabulary Quiz Tomorrow

Today’s Objective: I can recognize and name metallic bonds.

Project Poker

Metallic Bonding

What are covalent bonds?

Is it ever possible for a polar bond to be ionic? Explain.

Attractions between polar molecules are stronger than nonpolar molecules.

Changes in physical properties: Higher boiling points Dissolves other polar substances

Ionic or Covalent?

Property Ionic Covalent Transfer e- Share e- How made Bond between Metals & Nonmetals Nonmetals Table Position Opposite sides Same sides Dissolve in water Only if polar Yes Consistency Brittle Soft Melting temp High Low State at 20C Solid Any

Assignment! Not quiz 192.168.64.3/login

Metallic Bond

Occurs With Metal Elements Metallic Bonds Occurs With Metal Elements

shared electrons around it Metallic Bond: Attraction between a metal cation and the shared electrons around it

Caused by attraction between moving electrons & positive ions Lattice of metal IONS surrounded by free e- Caused by attraction between moving electrons & positive ions

How does this structure affect the properties of metals? 1. Conduct electricity

Malleability And Ductility

(Bronze) Alloy: 1 or more elements melted together with a metal Makes the metal stronger

Alloy: Atoms cannot slide over each other easily

Bronze: Cu+Sn Brass: Cu+Zn Cast Iron: Fe+C+Si Copper Penny: Cu+Zn Gold Jewelry: Au+Ag+Zn+Ni Stainless steel: Fe+C+Cr+Ni

Stainless Steel: Iron & chromium Doesn’t rust Resists corrosion

Brass: Copper & Zinc * Malleable * Good sound qualities

Bronze: Mostly Copper with Tin added Resists corrosion Lasts a long time

Metallic Bonds

Kahoot Bonding