Phases Flashcards
to review all of Matter and Energy
Matter which contains only one kind of particle is called a 1) mixture or 2) pure substance
2) A pure substance
Elements contain only one kind of
Atom
A substance which has 2 or more kinds of atoms joined together is called a
Compound
A substance which retains its own shape is
A solid
A characteristic of gases is that their particles move
Quickly and in straight lines.
The ___ phase contains particles which have the greatest amount of attraction between them.
Solid
Which phase does not have a definite volume?
Gas
Vapor is another word for
Gas
When particles slip and slide past one another, the substance is in the ___ phase.
Liquid
When a solid changes to a liquid, it is called
Melting or fusion.
Deposition occurs when a ___ changes to a ___.
Gas, Solid.
Air contains an element called oxygen and an element called nitrogen. Is air a pure substance or a mixture?
Mixture.
If two of the same kind of atoms are joined together, the resulting particle is called
An element.
A compound is formed when
Two or more different kinds of atoms are joined together.
If two hydrogen atoms and one oxygen atom are joined together, the result is
H2O, and it is a compound.