1. Bonding Basics

2. Section A: Complete the chart using a periodic table to help you.

3. Electrons and Chemical Bonding
___________________ __________________is the joining of atoms to form new substances.
A force of attraction that holds two atoms together is called a
__________________ _______________.
__________ _____________ _________________ are the key to bonding
Most chemical bonds are created using only _______________ electrons.
Atoms bond in order to ____________________________________________.
Chemical
bonding
chemical
bond
Outer
level
electrons
valence
have a filled outer shell

4. negative positive ion cation anion
Answer these questions:
An atom that gains one or more electrons will have a ____________________ charge.
An atom that loses one or more electrons will have a ____________________ charge.
An atom that gains or loses one or more electrons is called an ____________.
A positive ion is called a ______________ and a negative ion is called an _______________.
negative
positive
ion
cation
anion
“An-Eye-On”
“Cat-Eye-On”

5. Ionic Bonds Video
OCTET RULE:
Atoms tend to gain, lose, or share electrons in order to acquire a full set of valence electrons.
Properties of ionic bonds:
high melting points
brittle
most dissolve in water
good conductors of electricity

6. electrons complete metal nonmetal
What is an ionic bond?
Atoms will transfer one or more ________________ to another to form the bond.
Each atom is left with a ________________ outer shell.
An ionic bond forms between a ___________ ion with a positive charge and a ________________ ion with a negative charge.
Example B1: Sodium + Chlorine Example B2: Magnesium + Iodine
electrons
complete
metal
nonmetal

7. Example B3: Potassium + Iodine Example B4: Sodium + Oxygen
Example B5: Calcium + Chlorine Example B6: Aluminum + Chlorine

8. Covalent Bonds Video
Covalent Bond Sharing:
Share 1 pair of electrons:
Single Bonds
Share 2 pair of electrons:
Double Bonds
Share 3 pairs of electrons:
Triple bonds

9. share complete nonmetal
What is a covalent bond?
Atoms ___________ one or more electrons with each other to form the bond.
Each atom is left with a ________________ outer shell.
A covalent bond forms between two _________________.
Example C1: Hydrogen + Hydrogen Example C2: 2 Hydrogen + Oxygen
share
complete
nonmetal

10. Example C3: Chlorine + Chlorine Example C4: Oxygen + Oxygen
Example C5: Carbon + 2 Oxygen Example C6: Carbon + 4 Hydrogen