Atom History
Atomic Structure
Isotopes
Periodic Table
100

Thought matter could not be divided and divided forever. Eventually there would be the "smallest particle." He named it "atomos."

Who is Democritus?

100
Protons, nuetrons and electrons
What are the 3 subatomic particles.
100
A different version of the same atom.
What is an isotope?
100

The decimal number in the periodic table represents 

What are average atomic mass?

200
He came up with the four part atomic theory.
Who is John Dalton?
200
This subatomic particle has a postive charge.
What are protons?
200
This is the reason the mass is different in an isotope.
What is the number of neutrons?
200

a number that determine the identity of an atom

What is atomic number?

300
person associated with discovering electrons
Who is John Dalton.
300
This subatomic particle is neutral and located in the nucleus.
What are nuetrons.
300
In Carbon-14, what the 14 represents.
What is the mass of carbon?
300
The elements of the periodic table are arranged by 

What is increasing atomic number?

400
His gold foil experiment proved there was a small, dense positively charged center of an atom called the nucleus.
Who is Ernest Rutherford?
400
Calculated by adding your protons plus neutrons.
What is atomic mass?
400
How you calculate neutrons.
What is mass - atomic number (protons)?
400

state the law of conservation of mass

What is mass is neither created nor destroyed?

500

This model represents electrons circling the nucleus like planets orbiting the sun.

What is the Bohr Model?

500
This tells you the number of energy level an atom has.
What does the period (row) number tell you?
500
Protium, dueterium, tritium.
What are three isotopes of hydrogen?
500

how to calculate the number of neutrons of C-13

What is 13-6=7?

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