Density
A block of aluminum occupies a volume of 15.0 cm3 and weighs 40.5 g. What is its density?
2.70 g/cm3
This substance has a definite shape and define volume.
What is a soild?
This results in a new substance and is permanently changed
What is a Chemical change?
Magnesium (Mg) is a _________
Metal
______the amount of matter something has
Mass
This has no definite shape, but does have a definite mass and volume
What is a Liquid?
A change in matter that involves a change in a physical property but doesn't create a new substance
What is Physical change?
What element is in main group 3, period 2?
Al
The amount of space an object takes up
Volume
Atoms packed closely together in this state and they vibrate in place
What is a solid?
A change occurs when you bake cookies
What is a chemical change?
What is the name of main group 7?
Halogens
Mercury metal is poured into a graduated cylinder that holds exactly 22.5 cm3. The mercury used to fill the cylinder weighs 306.0 g. From this information, calculate the density of mercury.
13.6 g/cm3
If enough heat is added to a liquid it become this state.
What is a gas?
Melting wax, ice, and metal are all what type of changes
What are physical changes?
What is the oxidation number and number of valence electrons for Bromine (Br)?
Oxidation -1, Valence electrons 7
An artic researcher determines a volume of an iceberg sample to be 100 cm3 and the mass to be 96 grams. What is the density of the sample?
0.96 g/cm3
When heat is added to a solid, it becomes this state of matter
What is a liquid?
How does a piece of paper's ability to be folded in half compare to its ability to burn?
It's ability to be folded is a physical property, while its ability to burn is a chemical property
How many energy levels does Calcium have?
4