Two electrons can be located in each _______________ all of which are found in the ______________ ______________
2)Each row in the periodic table is called a ___________ While each colmn is a _____________ (c___________f__________)
3) Aside from the nucleus and the electron could most of the volume of an atom s actually______________ space
4) valence electrons are those found in the _________ energy level of an atom
5) The number at the top of each column of the periodic table tell you how many _________ each element off that group has
6) the_ in which an element is located tells you the energy level of an atom