Periodic Table

4. The tendency of an atom to attract bonding electrons is known as _________________.
6. The amount of energy needed to remove a valence electron is known as the _______________ energy
8. The atomic _________ describes the distance between two neighboring nuclei (aka how big an atom is)
9. Elements in Group 8A on the periodic table are known as ________ gases.
11. As you go across a period, electronegativity increases because there are more ___________ pulling on the shared electrons.
12. A vertical column on the periodic table is called a _______.

1. Elements in Group 7A on the periodic table are known as ___________.
2. Elements in Group 1A on the periodic table are known as ___________ metals.
3. These elements have properties that are in-between those of metals and nonmetals.
5. Elements in the d-block (middle portion) of the periodic table are known as ____________ metals.
7. As you go across a period, ionization energy tends to ____________.
10. A horizontal row on the periodic table is called a ________.