Chapter 2 Practice Test 2016

Bromine
Classify the sample of matter shown above.
Copper II Sulfate
Classify the sample of matter shown above.
Nickel II Chloride in Water
Classify the sample of matter shown above.
Oil, Corn Syrup, and Colored Water
Classify the sample of matter shown above.
A student is going to do an experiment to make lead II
iodide from a lead solution and an iodide solution.
She measures out some grams of lead II nitrate.
Classify the lead II nitrate according to our system
in class.
She then dissolves all of the lead II nitrate
with water. Classify the lead II nitrate and
water according to our system in class.
She measures out some grams of potassium iodide.
Classify the potassium iodide according to our
system in class.
She then dissolves all of the potassium iodide with
water. Classify the potassium iodide and water
according to our system in class.
She then mixes the potassium iodide beaker with the
contents of the lead II nitrate beaker to make lead (II)
Iodide. Classify the mixture according to our system in class.
She then filters off the lead II iodide.
Classify the lead II iodide according to
our system in class.
Write the formula for the lead II iodide.
What part of her experiment is a physical reaction?
What part of her experiment is a chemical reaction?
+
Mixing a blue substance with a yellow substance results in
a green substance.
Is this a physical reaction or a chemical reaction?
+
Mixing a yellow substance with a red substance results in
a black substance.
Is this a physical reaction or a chemical reaction?
Name the following compounds.
K3N: __________________________________
Ga2S3: __________________________________
BaSe: ___________________________________
Li3P: ____________________________________
Write the chemical formulas for the following compounds
Fluorine
Lithium
Gallium
Lead II
Oxygen
Phosphorus
Bromine
I am an alkaline earth metal in period 4. Who am I?
I am a halogen in period 4. Who am I?
I am a noble gas in period 6. Who am I?
I have an atomic mass of 24. Who am I?