Ancient Greek philosopher. "There was a limit to how far you could divide matter. You would eventually end up with a piece of matter that could not be cut."
What is Democritus?
100
The basic unit of of a chemical element and the smallest part of matter?
What is atom?
100
The ____ of a wave is the time for a particle on a medium to make a complete vibrational cycle.
What is period?
100
Liquid to gas.
What is evaporation?
200
Chemicals that contain carbon.
What is Organic?
200
British chemist and school teacher. "All substances are made up of atoms which are small particles that cannot be created or divided."
What is John Dalton?
200
Positive charge
What is protons?
200
Created the periodic table
What is Dimitri Mendeleev?
200
Solid to liquid.
What is melting?
300
Matter and development of tools used to measure matter.
What is analytical?
300
Discovered the electron and that it has a negative charge.
What is J.J Thompson?
300
Neutral charge.
What is neutrons?
300
Located in group 1A on the periodic table.
What is alkali metals?
300
Gas to solid.
What is deposition?
400
Chemical processes that occur in living organisms.
What is biochemistry?
400
A danish physicist who created the _____ Model of an atom
What is Niels Bohr
400
Negative Charge
What is electrons?
400
Group 2A on the periodic table.
What is alkaline Earth metals?
400
Gas to liquid.
What is condensation?
500
Applies to physics
What is physical?
500
Created the electron cloud model of an atom.
What is Erwin Schrodinger?
500
Shows that electrons in atoms are in orbits surrounding the nucleus.