SNC1D
Atoms and Elements Review
A. Particle Theory of Matter
Draw an ice cube in its solid, liquid, and gaseous state, using the particle theory:
solid / liquid / gasThere are five different names for what happens when a substance changes state. Draw arrows between each state of matter with the name for the change (both directions!).
Solid Liquid Gas
freezing
B. Physical & Chemical Properties and Changes
Show that you understand the following properties of matter BY READING THE DEFINITION IN YOUR NOTES AND EXPLAINING IT IN YOUR OWN WORDS:
State Malleability
Solubility Viscosity
Combustibility (chemical) Reacts with acid
What type of (physical or chemical) change occurs:
mixing salt and pepper ______
why: ______
burning a log ______
why: ______
demolishing a car ______
why: ______
baking a cake ______
why: ______
C. Mixtures
Complete the table: (Use your notes!)
Mixture Type / Explain what this mixture is / Hetero/Homo-genous? / Two examplessolution / 1.
2.
suspension / 1.
2.
mechanical mixture / 1.
2.
colloid / 1.
2.
D. Elements and the Periodic Table
Use the periodic table to complete these tables:
E. Chemical Formulas
Complete this table
Name of Substance / Chemical Formula / Compound or Element? / Elements present / How many atoms of each element?helium gas / He
iron (II) sulfate / FeS04 - 5H2O
iron (II) nitrate / Fe(NO3)2
sulfur trioxide / KI
F. Models of the Atom
Draw a Bohr-Rutherford diagram for an atom with 7 protons, 7 neutrons, 7 electrons. Label all parts, including the nucleus.
What is its overall charge? ______What element is it? ______
Calculate the atomic mass.
Draw a Bohr-Rutherford diagram for an atom with 1 proton, 2 neutrons, and 1 electron.
What is its overall charge? ______What element is it? ______
Calculate the atomic mass.
The number of protons in an atom determines what ______the atom is.
The number of protons in an atom is called the ______.
The number of protons plus the number of neutrons is the ______.
Atoms are charged when the number of ______and ______are not equal.
Atoms become charged when ______move from one atom to another.
The first shell can hold ______electrons.
The second shell can hold ______electrons.
The third shell can hold ______electrons.
G. Density
What does density mean?
Why does a diet pop float, and a regular pop sink?
What is the equation for density, volume, and mass?
d =
V =
M =
What is the density of an unknown metal that is 35 cm3 in volume, and 225 g in mass?
Water fills a container 200 mL in volume, and has a density of exactly 1 g/ml. What is its mass?
A block of silver has a density of 10.5g/cm3. What is the mass of a block 3 cm x 3 cm x 3 cm?
H. Trends in the periodic table
What are the four main divisions of the periodic table?
Using your periodic table, locate the halogens. What do these elements have in common?
What were the three other groups besides the halogens we discussed? What is special about each of these groups?
Contrast the physical properties of metals and non-metals
What do all the elements in a row have in common?
Who arranged the elements on the periodic table the best? How did he originally do it? How did he eventually conclude was the best way to arrange them? Identify various trends on the periodic table.
H. Other questions to think about…
What did people have to change about the way they thought before they could start making advances in the science of chemistry?
How was electricity used in the early study of chemistry?
One way to break water down into ______and ______is by______which is the use of ______to cause a chemical change.
What do you use to test for each of the following:
a. Oxygen gas: ______
b. Hydrogen gas: ______
c. Carbon dioxide: ______
***Be familiar with good lab procedures***
Your test is Tuesday April 22nd. Please be sure to bring a ruler, a calculator and writing utensils