PERIODIC TABLE FACTS WORKSHEET
http://www.chem4kids.com/files/elem_pertable.html
1. Horizontal rows are called ____________________________.
2. Elements in the same __________________(row) are filling up the same energy level
as you move from left to right.
3. Vertical columns are called ____________________.
4. Chemical ________________________ have similar properties.
5. _________________ electrons are the electrons in the outermost shell of the atom.
6. All families have the same number of ___________________ electrons.
7. The ________________ ___________________ have full outer electron shells which
makes them inert or non-reactive.
8. Noble gases are the elements in __________________ column (includes helium,
neon, ________________, and ___________________)
9. Noble gases are elements that have a ____________ valence electron shell.
10.Noble gases are also called ____________ gases because they don’t react with other
elements.
11.The ________________ family are the most active metals.
12.Alkali metals are the elements in the __________________ column.
13.______________ is NOT an alkali metal because it behaves unlike any other element