Name:_______________________________________ Class ______ Date________________

Atoms: Electron Notes

Atoms of the _________ element always have the ________ number of _________. The number of protons in an atom determines the _________ and the characteristics of that element.

The _________in an atom determine how it will _________ with other atoms. _________ is the study of these _________.

I. Electron Orbitals

 _________ move _________ the nucleus in specific patterns called _________ (or _________)

The _________ of _________ in any atom is the same as the number of the _________ of the _________ table where that element is found.

II. Rules for Orbitals

Each _________ can hold a _________ number of _________.

_____ orbital (closest to nucleus): Holds up to_________

_____ orbital: Holds up to _________

_____ orbital: Holds up to _________, but is stable (_________) when it has 8 electrons

III. Valence Electrons

_________ Shell: The orbital _________ from the _________

_________ electrons: Any electrons in the _________ _______

They can be _________, _________, or _________ between atoms

Atoms can never have _____________________ valence electrons

The number of_________ _________ determines how _________ an element is- how it will _________ with other atoms and other _________