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Atomic Theory Crossword Puzzle

Use your knowledge of atomic theory, particles, and general science to solve the puzzle!
Horizontales
A pure substance consisting for two or more types of atom chemically bonded
Philosopher who proposed all matter was made of four elements (earth, air, fire, water)
Performed the cathode ray experiment, discovering electrons and their mass to charge ratio
His uncertainty principle states that the more you know about an electron's location the less you know about where it's going
Results from the loss of electrons from an atom
To make a negative ion, you must _______ electrons
Model of the atom proposed by J.J. Thomson
Model of the atom we currently use
A subatomic particle with no charge
To make a positive ion, you must _______ electrons
Scientific law that states that a compound will always contain the same elements in the same ratio
Scientist who had the first modern atomic theory
Place you can find the average atomic mass
Mr. Shrewood's favorite element
Experiment performed by Rutherford
Smallest particle that maintains its' properties
Discovered the neutron
Mrs. Fanelli's favorite element
The most common pure element in the universe
Verticales
Experiment performed by J.J. Thomson
A positive subatomic particle
Model of the atom proposed by Ernest Rutherford
An element present in all living things
Scientific law that states that the same elements can form multiple compounds with different proportions
Described the wave-particle duality of matter
Negative, has a relative mass of 1/1840
Looked at electron energy levels in three dimensions, discovered energy sublevels
Model of the atom proposed by John Dalton
Atoms of the same element with different numbers of neutrons
Discovered the nucleus
Experimented with energy and light, discovered electron energy levels
Results from an atom gaining electrons
Discovered the Law of Conservation of Mass
A pure substance consisting of one type of atom
A general term for a charged particle