Download Chemistry Summative Study Guide

Chemistry Summative Study Guide
Classifying Matter:
Define the following terms:
Matter
Atom
Element
Chemistry
Compound
Molecule
Mixture
Answer the following review questions:
1. What is an element? Give one example. How many types of atoms is it made up of?
2. Explain the difference between compounds and molecules.
3. Name 3 things that are matter and 3 things that are not.
4. Draw a diagram of atoms in an element, molecule, compound, and mixture.
Physical Properties, Measurement, Mass, and Density:
Define the following terms:
Mass
Volume
Density
Answer the following review questions:
1. What is the formula for density?
2.
What is the density of water?
3. What do you know about an object’s density if it floats in water?
4. What are you measuring if you measure the amount of space an object takes up?
Put the following steps IN ORDER to demonstrate your understanding of how to find the volume of an
irregular object.
5. _____
6. _____
7. _____
8. _____
9. _____
a.
b.
c.
d.
e.
Fill graduated cylinder with water and record initial volume in mL
Subtract initial volume from the volume of the object + water
Place object in graduated cylinder
Record only the volume of the object in milliliters
Record volume of object + water in milliliters
10. Why does an air bubble rise to the surface of a glass of water?
11. What is the method used to find the volume of an irregular object?
12. Find the density of a liquid whose mass is 32 g and volume is 8 mL.
Answer: ______________ g/mL
Physical Properties of Matter:
Define the following terms:
Physical Change
Physical Property
Solid
Liquid
Gas
Plasma
Sublimation
Answer the following review questions:
1. What are the characteristics of the three familiar states of matter? Give an example of each.
2. Describe how a physical property can change without changing the substance.
3. Give 5 examples of physical properties.
4. Draw the molecules of a solid, liquid, and gas.
5. Give an example of a compound that goes through sublimation.
Physical and Chemical Changes, Mixtures, and Solubility:
Define the following terms:
Heterogeneous Mixture
Homogeneous Mixture
Solution
Solubility
Solute
Solvent
Insoluble
Chemical Change
Endothermic
Exothermic
Precipitate
Answer the following review questions:
1. Give 3 examples of a homogeneous mixture.
2. Give 3 examples of a heterogeneous mixture
3. What is the most common and most important solvent? (Also known as the “universal” solvent)
4. Which is the solute and which is the solvent?
Example: Sugar and water


The ____________ is the solute.
The _________ is the solvent.
Example: Jello mixture and water


The _________ is the solute.
The _________ is the solvent
5. Circle the chemical changes, and underline the physical changes below:
Iron Rusting
Rubbing alcohol evaporating
Formation of clouds
Breaking a stick
A bomb exploding
Lighting a match
A firefly glowing
Sugar Dissolving
Sanding a piece of wood
Bread producing mold
6. What are six signs that a chemical change has occurred? List and give an example of each.
Acids, Bases, and pH:
Define the following terms:
Acid
Base
Neutral
pH Scale
Answer the following review questions:
7. Fill in the table for acids and bases below:
Property
Acids
Bases
Taste
Sensation
Ions Produced
Reacts With
Examples
8. How would you neutralize an acid?
Periodic Table and Atomic Theory:
Define the following terms:
Periodic Table
Family
Group
Period
Reactivity
Atomic Number
Proton
Neutron
Answer the following review questions:
1. What do the periods represent?
2. What do the groups represent?
3. What does the atomic number tell you about an atom of an element?
Electron
Atomic Theory