Scientists
Subatomic Particles
Atoms
Electron Configuration
Periodic Table
100
Who grouped the known elements into categories: metals, nonmetals, gases, and earths?
Who is Lavoisier?
100
What is a neutral subatomic particle that is found in the nucleus of an atom?
What is a neutron?
100
Where are the protons found in an atom?
What is nucleus?
100
How many electron can fit in the s orbitals?
What is 2?
100
Who is the 'father of the periodic table'?
Who is Mendeleev?
200
Who studied the behavior of gases in air and concluded that a gas consists of individual particles?
Who is Dalton?
200
What particle is assigned a charge of 1+?
What is a proton?
200
Where are the electrons found in an atom?
What is orbitals?
200
What is the lowest energy level?
What is 1s?
200
How is the modern periodic table arranged? Be specific.
What is increasing atomic number?
300
Who called these particles atoms from the Greek word atomos?
Who is Democritus?
300
What is a negatively charged subatomic particle that is found in the space outside the nucleus?
What is an electron?
300
How do you calculate the mass number of an atom?
What is protons + neutrons?
300
What element is described below?
What is Helium?
300
What are the most reactive metals?
What is alkali metals?
400
Who concluded that the positive charge is in a small, central area of an atom called the nucleus?
Who is Rutherford?
400
What is the charge of a neutron?
What is 0 or no charge?
400
What element is shown below?
What is Lithium?
400
What element is described below? 
What is Potassium (K)?
400
What element is found on Group 7, Period 6?
What is Rhenium (Re)?
500
Who used an electric current to learn more about atoms?
Who is Thomson?
500
Which subatomic particle is the smallest?
What is the electron?
500
Draw the following atom:
Atomic Number= 5
Mass Number= 10
500
What is the electron configuration for Chlorine?
What is 
500
What trend do we see in atomic radius as you move down a column?
What is increases?