Atom
What is the smallest particle?
Chemical reaction
process in which atoms are rearranged to produce new substances
Periodic table
Dmitri Mendeleev's arrangement of the elements
copper
Police officer
Electron cloud
The area where electrons move within
Electrons
negatively charged particles
Products
Substance formed in reaction (chemical formula written to the right)
Metals
elements that are shiny and conduct heat and electricity well
hafnium
Wholnium x 0.5
Atomic number
The number of protons in the nucleus of an atom of an element
Protons
positively charges particles
Law of conservation of energy
states that energy cannot be created nor destroyed
Ductile
able to formed with wires
Argon
If thy are not here they...
Mass number
The total number of protons and neutrons in an atom's nucleus
John Dalton
Who created the Atomic Theory of Matter?
Exothermic reaction
chemical reaction in which energy is released
Malleable
able to form different shapes
Silicon
A ridiculous prisoner
Chemical symbol
The abbreviation for an element's name
Ion
When an atom can lose/gain and electron
Subscripts
tell you how many of each type of atom are in a molecule
118
how many elements are on the the periodic table
fluorine
boards that have been nailed down to walk upon
Group
Each vertical column of the periodic table