Organization of the Atom Flashcards
What are the three types of Subatomic Particles in the Atom?
There are Electrons, Protons, and Neutrons.
What is the Nucleus?
The combination of the Proton(s) and the Neutron(s). It is in the center of the atom.
When was the Electron discovered?
In 1897 by J.J Thompson.
When was the Nucleus discovered?
In 1911 by Ernest Rutherford.
When was the Proton Discovered?
In 1920 by Ernest Rutherford.
When was the Neutron Discovered?
In 1932 by James Chadwick.
When was the Atomic Number Discovered?
In 1913 by Henry Moseley.
How long did it take for all parts of the atom to be discovered?
About 35 years.
What charge does the Electron have?
A Negative Charge.
What charge does the Proton have?
A Positive Charge.
What charge does the Neutron have?
A Neutral Charge.
What is the Strong Nuclear Force?
The Force that holds Protons together in the Atom.
What is the Atomic Number?
A number that each Atom has that is based on the amount of Protons.