This is the type of matter that can be found on the periodic table.
What is an element?
100
A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g.
What is its density?
2.7 g/mL
100
This is the type of reaction that absorbs heat.
What is Endothermic reaction?
100
A type of matter that has a definite volume but no definite shape
What is liquid
100
This scientist was known world wide for her research on radioactivity
Who is Marie Curie?
200
This is the type of matter that can be separated into its different parts.
What is a mixture?
200
____ P4 + ____ O2 --> ____ P2O3
What is 1 P4 + 3 O2 --> 2 P2O3
200
This is the type of reaction when atoms are forced together under pressure.
What is nuclear fusion reaction?
200
Using this equation, you can find the number of neutrons in an atom.
What is atomic weight - atomic number= # of neutrons
200
This is the scientist best known for his work with the periodic table of the elements
Who is Dimitri Mendeleev
300
This is the classification for the following: CO2
What is a Compound?
300
____ SO2 + ____ Li2Se --> ____ SSe2 + ____ Li2O
What is SO2 + 2 Li2Se --> SSe2 + 2 Li2O
300
This is the type of reaction that releases heat.
What is Exothermic reaction
300
These are the charges found on neutrons, electrons, and protons.
What is Neutral, negative, and positive?
300
This is the scientist best known for his work with the conservation of mass, proving that mass is not lost during a chemical reaction.
Who is Antoine Lavoisier
400
This is the classification of water.
What is a compound?
400
Find the mass of 250.0 mL of benzene. The density of benzene is 0.8765 g/mL.
What is 291.13g
400
This is the type of reaction that occurs by breaking apart atoms from one another.
What is nuclear fission?
400
This is the type of change that will not change the identity of a substance.
What is Physical Change
400
This is the scientist best known for his work with the structure of the atom.
Who is Niels Bohr?
500
This is the classification of O2.
What is compound?
500
A graduated cylinder is filled to an initial volume of 12.7 ml. A 6g rock is dropped into the graduated cylinder. The
final volume of the graduated cylinder is 18.2 ml. What is the density
What is 1.1 g/mL
500
Wood burning is an example of this type of reaction.
What is Exothermic reaction
500
This is rising of temperatures all over the earth, causing climate changes.
What is Global Warming?
500
This scientist had to have their possessions stored away in a shed because of what elements it contained, as they were considered very dangerous.