Brief History Of The Atom Flashcards
1
Q
Responsible for Quantum Mechanics Model of an atom
A
Schrödinger
2
Q
Thomson
A
Designed the “Plum Pudding” model of an atom
3
Q
Discovered electrons
A
Thomson
4
Q
Rutherford
A
Discovered a positive core called a nucleus
5
Q
Designed the “Planetary” model of an atom
A
Bohr
6
Q
Rutherford
A
Discovered the atom was mostly empty space
7
Q
Started atoms are invisible
A
Dalton
8
Q
Schrödinger
A
Stated electrons move in orbitals(clouds of probability)
9
Q
Believed atoms of an element are identical
A
Dalton
10
Q
Bohr
A
He put electrons in fixed orbits around the nucleus
11
Q
Democritus
A
Solid sphere model
Atomos
12
Q
Dalton
A
1st atomic theory of matter
Atoms cannot be broken down into small particles
13
Q
Atoms mostly empty space
A
Rutherford
14
Q
Uncertainty principle
A
Heisenberg
15
Q
Probability clouds
A
Schrödinger
