5. History of atoms and Subatomic particles

Chemical symbols and number of atoms

Chemical formula

Arrangement of chemical bonds between atoms in a molecule

Chemical structure

The forces among the particles that makeup the nucleus are balanced

stable

Results from an imbalance between negative and positive charges in objects

Stratic electricity

Who created the theory of the universe

Democritus

Who created the first modern atomic model?

John Dalton

Who discovered the electron?

Joseph John Thompson

What object did JJ thompson used in order to discover the electron?

Carthode Ray tube technology

Who conducted the infamous Gold foil experimaent?

Ernest Rutherford

Rutherford stated that the atom was like a mini solar system and that the electrons orbited the nucleus in a wide orbit.That is why it is known as the?

Planetary Model

Happens when an electron move s from one level to another

Radiation

Give th eparts of the bohr’s atomic model

Nucleus,1st,2nd and third shell

What priniciple Erwin Schrodinger used to come up with his atomic model?

Heisenberg’s Uncertainty Principle

Who created the cloud model?

Erwin Schrodinger

Who discovered neutrons?

James chadwick

Discovered nucleus

Ernest rutherford

what experiment did JJ thompson conducted?

Plum pudding experiment

What model did Ernest Rutherford created

The planetary model