Atomic Theory and Contributors

Front

Who first stated that "Everything is composed of atoms"?

Back

Democritis

Front

What did John Dalton state?

Back

Elements are made of atoms, atoms of a given element are identical, atoms cannot be subdivided, created, nor destroyed.

Front

The scientist responsible for "discovering" the nucleus is: Bohr, Rutherford, Schroedinger, Einstein

Back

Rutherford

Front

The nucleus of an atom can be described as:

Back

dense and positively charged

Front

How did Rutherford discover the proton/nucleus?

Back

Gold Foil Experiment

Front

True or False: The majority of an atom is made up of empty space

Back

True

Front

Atom

Back

Indivisible

Front

The smallest particle of an element that shows all the properties of that element.

Back

Atom

Front

Where are electrons likely to be found as they travel around the nucleus? Options: Nucleus, Electron Cloud, Within a Proton, Within a Neutron

Back

Electron Cloud

Front

Proposed the Modern Electron Cloud Model of the atom

Back

Schrodinger & Heisenberg