Vocabulary 1
A particle of matter that defines a chemical element
What is an Atom
The Two different gases with different properties that are produced from adding energy to water
What are Hydrogen and Oxygen
A measurement that refers to the amount of matter that makes up an object
What is Mass
H2O
What is water
2.000 Will increase a flame. Can create an explosion.
What is Propane
A group of atoms bonded together.
What is a Molecule.
Its a ratio of mass to volume
What is Density
_____refers to the amount of three-dimensional space occupied by a substance or object
What is Volume
O2
What is Oxygen
0.090 Will increase a flame. Can create an explosion.
What is Hydrogen
A process that involves rearrangement of molecular structure of a substance
What is a Chemical Reaction.
The matter that makes up the substances must come from the original _____ particles
What is water
The amount of matter is in a specific space.
What is Density
H2
What is Hydrogen Gas
1.430 Will increase a flame or cause a glowing ember to burst into flame.
What is Oxygen
When matter changes from one state (solid, liquid, gas) to another
What is Phase Change.
Gas produced by the heated water is made of the ____ particles
What is Same
How a substance interacts with fire
What is Flammability
N2
What is Nitrogen Gas
0.179 Will extinguish a flame.
What is Helium
New substances that occur after a chemical reaction
What is a Product
Substances might ____ apart or ____ together to create new combinations of particles
What is Break and Stick
A substances that you start with in a chemical reaction
What are Reactants
Ar
What is Argon
~1.160 Can maintain an open flame.
What is Air