Elements
H
Hydrogen
A type of matter defined by a unique particle
Substance
A fundamental substance that cannot be broken into simpler substances by chemical or physical processes
Element
Positively charged particles
Proton
Cl
Chlorine
The everyday- language name of a substance
Common name
An organization of the elements based on chemical properties
Periodic Table of Elements
Electrically neutral particles- NO charge
Neutron
O
Oxygen
Anything that has mass and takes up space
Matter
A representation of an element using specific letters
Chemical Symbol
Negatively charged particles with almost no mass
Electron
Na
Sodium
The name chemists use for a substance, which contains the names of elements in that substance
Chemical Name
Number of protons an atom contains
Atomic Number
How many elements are on the periodic table?
118
K
Potassium
Process during which the atoms of starting substances (reactants) rearrange to form new substances (products)
Chemical Reaction
Name at least 2 items that are included in an element box on the periodic table of elements.
Atomic Number
Chemical Symbol
Element Name
Average Atomic Mass
How are the elements on the periodic table organized?
By the number of protons