1. What is the real magic or science involved in the video?
Monday, 2/9/ Day 2
Science Starters
Sheet
Agenda
Notebook
1. Please have these
Items on your desk.
2- Fill out your Agenda.
Science Starter:
What is the real magic or science involved in the video?

2. T.O.C. Update
Pg /4 Bonding basics

3. T. Trimpe 2008 http://sciencespot.net/
Bonding Basics
8th Grade Science
T. Trimpe

4. Section A: Complete the chart using a periodic table to help you.+1 -1 Cl 17 7 K 19 1 -1 +1 Mg 12 2 -2 +2 F 9 7 +1 -1 Al 13 3 -3 +3 Na 11 1 -1 +1 N 7 5 +3 -3 O 8 6 +2 -2 H 1 1 -1 +1 C 6 4
+4/-4
+4/-4 I 53 7 +1 -1

5. 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”

6. Na Cl Mg I I 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 Na Cl Mg I I

7. K Na O I Na Al Ca Cl Cl Cl Cl Cl
Example B3: Potassium + Iodine Example B4: Sodium + Oxygen
Example B5: Calcium + Chlorine Example B6: Aluminum + Chlorine K Na O I Na Al Ca Cl Cl Cl Cl Cl

8. H H H H O 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 H H H H O

9. Example C3: Chlorine + Chlorine Example C4: Oxygen + OxygenCl Cl
Example C5: Carbon + 2 Oxygen Example C6: Carbon + 4 Hydrogen H O C H C H O H