Introduction
the study of "the compostition, structure, and properties of substances and the transformations that they undergo."
What is Chemistry?
has a positive electric charge and is found in the nucleus of an atom
What is a proton?
Has mass and takes up shape
What is matter?
P 3
E 5
N 3
6 AMU
P 3
E 6
N 3
Anion, -3 charge
More than one element physically combined but that are not bound together.
What is a mixture?
has no electric charge
What is a neutron?
Does not have a definite shape
What is a liquid?
P 2
E 3
N 2
4 amu
P 4
E 4
N 4
neutral aton
the smallest piece of a substance that still has the properties of the substance
What is an atom?
an atom that has a positive electric charge
What is a cation?
Has a definite shape and volume
What is a solid?
P 2
E 4
P 2
4 amu
P 3
E2
N 3
Cation, +1 charge
a substance made of only one kind of atom
What is an element?
An atom that has a negative electric charge
What is an anion?
Does not have a shape or a definite volume
What is a gas?
P 4
E 4
N 4
8 amu
P 3
E 5
N 3
Anion, -2 charge
two or more different elements bound in together in a constant ratio
What is a compound?
a measurement for the mass of an atom
What is an atomic mass unit?
A hot gas whose matter is broken into charged particles
What is plasma?
P 3
E 6
N 3
6 amu
P 2
E 4
N 2
Anion, -2 charge