Atomic structure Flashcards
Atoms
1
Q
What discovery did Niels Bohr make?
A
Proposed that electrons orbit at specific distances rather than the general area. He called these energy levels / shells
2
Q
What discovery did James Chadwick make ?
A
The nucleus also had neutral particles and called them Neutrons
3
Q
state the radius of an atom
A
0.1 nanometres or 1 X 10^-10
4
Q
State the radius of a nucleus
A
1 X 10^-14 or less than 1/10,000th the radius of the atom
5
Q
Protons Neutrons and Electrons are…
A
Subatomic particles
