7th Grade Science
Chemistry Unit Study Guide
Use notes and old quizzes to help prepare for the test.
Basic Atomic Structure
Proton
Bohr model drawing
Neutron
Electron
Periodic Table
Know atomic #
Know mass #
Know how to determine
# protons
# neutrons
# electrons
Use the following vocabulary to describe metal, nonmetals and metalloid:
malleable, ductile, conductor of heat and electricity, brittle, dull, nonconductor
Metals
Nonmetals
Metalloids
Know examples of metals, nonmetals and metalloids
Element Symbols for the following elements
Carbon ______
Hydrogen ______
Oxygen _____
Helium _____
Sodium _____
Calcium ______
Lithium
Aluminum ______
Nitrogen _____
Chlorine _____
______
What are properties of Hydrogen? ________________________________________________________
Oxygen? ________________________________________________________
Carbon dioxide? ________________________________________________________
What are the signs of a chemical reaction? ______________________________ ______________________________
__________________________________ ______________________________ _______________________________
Identify chemical and physical changes
For example--- Water freezing into an ice cube __________________________________
Salt dissolving in water
__________________________________
Iron rusting
__________________________________
Know element, compound and mixture -- label each picture
Label the examples below:
NaCl
Salt
Soda
KOH
Sugar
Silver
H2O
Water
Tap water
HCl
Manganese oxide
Salt water
CO2
Carbon dioxide
Air
What can change the rate of a chemical reaction? _____________________________ ___________________________
_________________________________________ _____________________________
7th Grade Science
Chemistry Unit Study Guide
Use notes and old quizzes to help prepare for the test.
Basic Atomic Structure
Proton
Bohr model drawing
Neutron
Electron
Periodic Table
Know atomic #
Know mass #
Know how to determine
# protons
# neutrons
# electrons
Use the following vocabulary to describe metal, nonmetals and metalloid:
malleable, ductile, conductor of heat and electricity, brittle, dull, nonconductor
Metals
Nonmetals
Metalloids
Know examples of metals, nonmetals and metalloids
Element Symbols for the following elements
Carbon ______
Hydrogen ______
Oxygen _____
Helium _____
Sodium _____
Calcium ______
Lithium
Aluminum ______
Nitrogen _____
Chlorine _____
______
What are properties of Hydrogen? ________________________________________________________
Oxygen? ________________________________________________________
Carbon dioxide? ________________________________________________________
What are the signs of a chemical reaction? ______________________________ ______________________________
__________________________________ ______________________________ _______________________________
Identify chemical and physical changes
For example--- Water freezing into an ice cube __________________________________
Salt dissolving in water
__________________________________
Iron rusting
__________________________________
Know element, compound and mixture -- label each picture
Label the examples below:
NaCl
Salt
Soda
KOH
Sugar
Silver
H2O
Water
Tap water
HCl
Manganese oxide
Salt water
CO2
Carbon dioxide
Air
What can change the rate of a chemical reaction? _____________________________ ___________________________
_________________________________________ _____________________________