1. Warm-Up 3/18/14 Grab a new unit cover sheet for pg. 33 Unit # 10
Title: Chemical Bonds
L.O. #1 Identify elements and compounds based on chemical formulae.
L.O. #2 Compare and contrast ionic and covalent bonding, and identify which type will form between atoms.

2. Types of Chemical Bonds
Tuesday 3/18/14

3. Compound: Substance made of 2 or more atoms chemically combined
Common Compounds
Vinegar
Acetic acid
HC2H3O2
Sand
Silicon dioxide
SiO2
Stomach Acid
Hydrochloric acid
HCl
Cane Sugar
Sucrose
C12H22O8

4. Chemical Formula
Tells what elements a compound contains and the exact # of each type

6. Forming Compounds
Atoms form compounds to become “chemically stable”—fill their outer level of electrons.

7. Chemical Bond
Force that holds together the atoms in a substance.

8. Two Types of Bonding Ionic Bonding Covalent Bonding
Between a metal and nonmetal atom
Atoms lose or gain electrons (exchange)
Held together by attraction between charged ions
Between a nonmetal and a nonmetal
Atoms share electrons
Atoms can form multiple bonds (share many times)

10. Your Job Complete the Chemical Bonds Concept Map.
Fill in the blanks using the word bank
Glue on pg. 34, notes on pg.35