Contributions 9 Flashcards
1
Q
Atoms cannot be created, destroyed, or divided into smaller particles.
A
Dalton
2
Q
Electrons occupy specific energy levels or shells
A
Bohr
3
Q
Most of the mass of the atom is in the tiny, dense, positively charged nucleus.
A
Rutherford
4
Q
Most of the atom is empty space.
A
Rutherford
5
Q
All matter is made of small particles called atoms.
A
Dalton
6
Q
All atoms of the same element are identical.
A
Dalton
7
Q
Atoms contain negatively charged particles.
A
Thomson
8
Q
The nucleus contains positively charged particles called protons and particles with no electric charge called neutrons.
A
Rutherford
9
Q
Different elements combine together to form compounds.
A
Dalton
10
Q
Electrons move around a central nucleus.
A
Rutherford
