Periodic Table and the Structure of Elements Flashcards
1
Q
What is Dalton’s Atomic Theory (1804)?
A
- Matter consists of indivisible unchangeable particles
2
Q
How do electrons move around the nucleus?
A
They orbit the nucleus, however do no follow precisely defined orbits.
We can only specify their probability distribution.
3
Q
What is the size of the atomic nucleus?
A
10^-14 m