Periodic Table

2. The ionic form of non-metals.
6. A vertical set of elements has the same number of ______ electrons.
9. The left most vertical group of the periodic table is known as the ______ metals.
10. A vertical set of elements is a ______.
11. The ______ elements lie between the second and third vertical sets of elements.
14. The periodic table is arranged by the number of ______.

1. These oxides are usually formed by non-metals.
3. Elements in the same vertical set have the ______ chemical properties.
4. This is the halogen with the lowest boiling point.
5. This is what a horizontal set of element is known as.
7. This line separates the metals and the non-metals.
8. Metals prefer to form ______ by losing electrons.
12. The oxides of elements near the line that separates metals and non-metals are described as ______.
13. Most metals form ______ oxides.