Atomic Theory Review Flashcards
1
Q
Widely accepted hypothesis, ideas explaining how and why the cause of something
A
Theory
2
Q
4 points do Dalton’s atomic theory
A
All Matter is composed of atoms, atoms of a given element are identical in size, mass, etc, atoms can’t be subdivided, created or destroyed. Atoms of different element combine in simple ratios to form chemical compounds
3
Q
What did Thompson discover and what did he use
A
Electrons and protons, cathode ray tube
4
Q
What did Rutherford discover
A
Nucleus
5
Q
Most of an atoms mass is in the
A
Nucleus
6
Q
Most of an atoms volume is in the
A
Electron cloud
7
Q
Atomic models in chronological order:
A
Democritus Dalton Thomson Rutherford Bohr Quantum mechanical
