Atomic Theory & Atomic Structure

Front

Proposed the Modern Electron Cloud Model of the atom

Back

Schrodinger & Heisenberg

Front

Which isotope of Calcium is the most abundant: 35.00 amu, 40.00 amu, or 41.00 amu?

Back

40.00 amu

Front

Discovered the electron within the atom

Back

Thomson

Front

How many protons are in C-14?

Back

6

Front

Believed that atoms of the same element are identical to each other

Back

Dalton

Front

What is the charge of a proton?

Back

Positive (+1)

Front

What is the charge of a neutron?

Back

Neutral (0)

Front

What is the charge of an electron?

Back

Negative (-1)

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.