Atoms
A substance made of only one type of atom
What is an Element
Organized array of elements in order of increasing atomic number
Periodic Table
Atoms with very large nuclei can be split into smaller atoms
What is nuclear fission
Atoms that have gained or lost one or more electrons
What is an Ion
The way of writing very large or very small numbers
What is scientific notation
Random movement displayed by small particles that are suspended in fluids
What is Brownian Motion
Each row in the periodic table is called ____
Reaction where 2 small atoms join together
Nuclear fusion
Compounds that release hydrogen ions when part of a solution
A unit that measures the amount of particles in a substance
What is moles
Two or more atoms joined together are called
What is a molecule
This number indicates how many protons are in the nucleus
Ions w/ different charges attract each other, like magnets
What is electrostatic attraction
On the Ph scale number __ is neutral
What is 7
Simplest whole number ratio of all the elements in a compound
What is Empirical formula
The 3 different charges of an atom
Neutral, negative, positive
Negatively charged ions that have gained electrons are called
What is Anions
What is a ionic compound
On a Ph scale number __ is the strongest acid
What is 0
One mole of any substance is 6.02X10^23, this is called
What is Avagadro's number
The basic unit of a chemical element
What is an atom
Radioactive particles may also emit energy in the form of a
What is a gamma ray
Ionic compounds break apart when dissolved into a solution
What is dissociation
Ions dissociate and produce an electrically-conducting solution
What is electrolytes
The standard molar volume is equal to
What is 22.4L/MOL