Show:
Theories
Structure
The Periodic Table
Sub-Atomic Particles
Final Jeopardy (Not 300 points)
100
Democritus, a Greek philosopher, Proposed atoms around this century.
What is 5th Century B.C.
100
The fixed orbits that electrons follow in an atom
What are shells
100
The 2 letters on a periodic table square or element square
What is the symbol
100
The smallest particle (so far) in the universe.
What is a quark
200
This person proposed that atoms were spheres, like billiard balls
Who is John Dalton
200
Protons and neutrons are in the center of the atom also called this
What is the nucleus
200
The small number above the symbol that represents the number of protons in a n element
What is the atomic number
200
Quarks are held together by these
What are gluons
300
This man proposed that electrons travel in fixed orbits called shells
Who is Niels Bohr
300
This forms when 2 or more elements are combined (Hint: not compound)
What is a molecule
300
This set of elements are always stable
What is The Noble Gases
300
These are neutral charged particles in an atoms nucleus
What are Neutrons
300
Name all the particles in an atom
What are Protons, Neutrons, electrons, quarks, and gluons
400
Ernest Rutherford discovered that most of an atom's mass is in this part of the atom
What is the nucleus
400
The total amount of protons and neutrons in an atom
What is the atomic mass number
400
A row in the periodic table
What is a period
400
The negatively charged particles in an atom
What is Electrons
500
The year of the proposal of the most recent atomic model
What is 1920
500
The 4 particles in an atom's nucleus
What are Protons, neutrons, quarks, and gluons
500
A column in the periodic table
What is a Group
500
Positively charged particles in an atom
What are protons