1. Ionic and Covalent Bonds
EQ: Why do atoms form chemical bonds?

2. What is a Compound?
Substance made of the combined atoms of two or more elements

3. What is a Chemical Formula?
Tells what elements a compound contains and the exact number of the atoms of those elements

4. Superscript-
Represents oxidation number or how many electrons has been gained or lost
Coefficient-
Represents the number of units of each substance
2H2O
SO42-
Subscript-
Represents number of atoms in a molecule of a particular element

5. Why is bonding important?
Atoms form compounds to become chemically stable.
An atom is chemically stable when the outer energy level is complete or full.

6. What is a Chemical Bond?
Force that holds together the atoms in a substance

7. ION: Positive or negatively charged atom
What is an Ionic Bond?
Loses or gains electron (e- are ripped away from an element)
Attraction between opposite charges of ions
Between metal & nonmetal
ION: Positive or negatively charged atom

8. What is a Covalent Bond? Shares e- Can form multiple bonds.
Between an nonmetal and a nonmetal.

9. Summary
Please take this time to write your summary.