States of Matter
Matter that has a definite shape and volume
What is a solid
Type of mixture of salad
What is heterogeneous mixture
The simplest form of matter that has a unique set of properties.
Element
What are the items on the left side of this equation called?
methane + oxygen --> carbon dioxide, water, energy
reactants
Density
physical, intensive property
Indefinite volume and shape
Gas
Define mixture
What is a physical blend of two or more substances
Elements are composed of the same type of ____
Atom
What are the items on the right side of this equation called?
methane + oxygen --> carbon dioxide, water, energy
Products
Flammability
chemical, intensive property
List the three ways a physical change can happen
What are cutting, grinding, and bending
Change of state
Reversible/Irreversible
What is another name for homogeneous mixtures?
Solution
Two or more atoms of either the same or different elements joined together chemically.
Molecule
Ability of a substance to undergo a chemical reaction to form a new substance
What is chemical property
Boiling Point
physical, intensive property
Gaseous state of a substance that is generally liquid or solid at room temperature
vapor
Any part of a system with uniform composition and properties. (Think water and oil.)
What is a phase?
2 or more different elements joined together chemically
Compounds
Write down the Law of Conservation of Mass
During any chemical reaction, the mass of the products is always equal to the mass of the reactants.
Reactivity
chemical, intensive property
The freezing point and boiling point of water in Celsius.
Freezing: 0*
Boiling: 100*
How would you separate salt water in order to drink the water?
Distillation
Can compounds be separated?
If so, by what means?
If not, why?
Yes, by chemical means.
NaCl can be separate into individual ions by running electricity through it in a solution.
What is a solid that forms and settles out of a liquid mixture called?
What is a precipitate?
Mass
physical, extensive property