Section 3 Pgs 23-39 Flashcards
1
Q
What prevents an electron from being freed due to its centrifugal force?
A
The positive attraction of the nucleus
2
Q
What is a shell, and how many shells are there?
A
Shells are the orbital paths electrons travel around the nucleus. Atoms can have up to 7 shells.
3
Q
What is a valence electron?
A
A valence electric is an electron in the outermost shell of an atom.
4
Q
What is a “free” electron?
A
An electron that has been freed from its atom. Free electrons are electricity!
