Periodic Table

1. A vertical column of elements is called a(n) ______ or a family
4. On a square, above the chemical symbol is the ____ of the element
8. What makes the periodic table really invaluable is its use as a __________ tool
9. You can predict a lot about the chemical _______ of an element if you know where it is on the periodic table
10. Atoms are listed on the periodic table in order of increasing _________
11. Found on the upper left away from the metals
13. With a one or two letter chemical ______
14. This is the most powerful tool chemists have for organizing chemical information
15. This is found on the upper right of the periodic table
16. Like Mendeleev, Moseley left ____ in the periodic table where he proposed several yet undiscovered elements should fit.

2. If you arrange elements by atomic number, a pattern emerges. There is a ___________, or a repeating of certain characteristics
3. Each row corresponds to a different ____________
5. You can find them on the ______ ______ and in the middle of the table
6. Each element is represented by one ______ on the periodic table
7. Most elements are this
8. The 7 horizontal rows are called ______
12. Each number has a unique atomic number-that's the number of _______ in the nucleus of the atoms