BASICS
When the particles are tightly close together and are not able to move much?
Solid, Liquid, Gas?
Solid
What is Chemistry?
THE STUDY IN WHICH MATTER
the organization of elements into a grid of rows and columns into a grid is called.
The Periodic Table
Homogeneous mixtures are also known as.
Solutions
________________ is a combination of two or more pure substances in which each pure substance retains its individual chemical properties.
Mixture
When the particles are close together and are free moving?
Solid, Liquid, Gas?
Liquid
What is the smallest and simplest form called?
Atoms
This law states that when different compounds are formed by a combination of the same elements, different masses of one element combine with the same fixed mass of the other elements in a ratio of small whole numbers.
The law of multiple proportions
THE RATIO OF WATER
TWO HYDROGEN TO ONE OXYGEN 2:1
Give an example of an Element?
Carbon, Hydrogen, Iron, etc.
When the particles are far apart and bounce off one another?
Solid, Liquid, Gas?
Gas
______________________- is a characteristic that can be observed or measured without changing the sample's composition.
Chemical Property or Physical Property
Physical Property
The ratio of the mass of each element to the total mass of the compound expressed as a percentage.
percent by mass
What is matter divided in to?
____________________ and _______________________
Mixtures and Substances
Give an example of a compound?
Sugar, Water, Carbon Dioxide
FORMS OF MATTER
SOLID, LIQUID, AND GAS
_________________________- is when a substance changes in to one or more other substances.
Chemical Property or Physical Property?
Chemical Property
This law states that a compound is always composed of the same elements in the same proportions by mass.
The law of definite proportions
What is this considered?
H2O2?
Compound?
Hydrogen Peroxide
What is the name for a mixture that is uniform, usually considered a solution?
Homogeneous mixture
A change that alters a substance without changing its composition.
Chemical Change or Physical Change
Physical Change
A process that involves one or more substances changing into new substances.
Chemical Change or Physical Change
Chemical Change
What law is this called
mass(reactants) = mass (products)
The law of conservation of mass
SALT
SODIUM CHLORIDE
What is the name for a mixture that is non-uniform?
Heterogeneous Mixture