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States of Matter
Measurements
Atoms, Elements, Compounds
Periodic Table
Chemical Reactions
100
This state change goes from gas to liquid.
What is condensation?
100
This is the space between molecules or mass over unit volume.
What is density?
100
Name the subatomic particles found in the nucleus.
What are protons and neutrons?
100
This is another name for Group 17.
What is Halogens?
100
A + B --> AB
What is combination?
200
This type of matter is the least dense.
What is gas?
200
This is the amount of space an object takes up.
What is volume?
200
How many valence electrons does Carbon have?
What is four?
200
This is the name of the group with the most active metals.
What is Alkali Metals? (Group 1)
200
This is the type of reaction that can be seen here: 2LiCl + Br2 --> 2LiBr + Cl2.
What is Single replacement.
300
This is the transformation between solid to gas called (skipping liquid).
What is sublimation?
300
This is how you calculate mass.
What is a balance.
300
Please draw the Lewis Dot Diagram of water
H=O=H (with four valence electrons on Oxygen)
300
Name a Noble Gas.
What is Helium, Fluorine, Chlorine, or Bromine.
300
Propane (C3H8) burns in the presence of oxygen. What type of chemical reaction is this and what will be the products in this reaction.
Combustion. Products CO2 and H20 (incomplete CO and C)
400
This/these states of matter are fluids.
What are gas and liquid?
400
What is the density of an object whose mass is 6 g and its volume is 12 cu.cm. (Include units!
.5 g/cu.cm.
400
Please draw the Lewis Dot Diagram for CF4
F ' F-C-F ' F (with the valence electrons)
400
Find the element whose Average Atomic Mass is 127.60.
What is Tellurium?
400
____KIO3 ---> ___KI + ____O2. Please balance and determine the type of reaction.
coefficients:2, 2, 3. Decomposition.
500
This is the state of matter that ionic compounds conduct electricity in.
What is liquid?
500
An object has a mass of 5 kg and a volume of 1 L. Does it float on water?
No.
500
Please draw Calcium Chloride.
CaCl2
500
This is where the inner transition metals are found.
What is at the bottom of the periodic table/Lanthanides and Actinides.
500
When combining to make an ionic compound the elements in Group 2 and 17 are usually in this ratio.
What is 1:2. (one Group 2 atom for every two Group 17 atoms)