Science - Chemistry: Electronic Configuration Flashcards
1
Q
electron shells
A
where electrons orbit the nucleus. most elements have multiple shells
2
Q
valence shell
A
the outermost shell of an atom
3
Q
valence electrons
A
the electrons in the valence shell
4
Q
configuration
A
shows number of electrons per shell
e.g. Al: 2,8,3
5
Q
number of electrons per shell
A
2, 8, 8, 18
6
Q
periodic table - groups
A
show how many valence electrons are in an element
