Element Property Trends

5. The units of electronegativity are ___.
6. Negative ions are aka ___.
8. The negative values for electron affinity mean that energy is ___ from the atom during the process of adding an electron.
10. A high electronegativity or ___ value tells you an element has a stronger attraction for electrons.
11. Positive ions are aka ___.
16. This is used to help predict the kind of bond two elements will form.
18. Metals tend to be ___ and ductile.
20. Nonmetallic characteristics tend to increase as you travel to the ___ across the periodic table.
21. Shield Effect explains why these electrons do not experience the full attraction of the nucleus.
22. An electron is ___ to an atom during the process described by the definition of electron affinity.
23. The units of ionization energy are ___.

1. Metallic characteristics tend to increase as you travel ___ the periodic table.
2. When ___ energy is added to an atom, a positive ion is the result.
3. Atoms and molecules are ___ in chemistry.
4. Ionization energy tends to decrease as atomic radius increases because of ___.
7. Joules are units of ___.
9. Nonmetals tend to be ___ conductors.
12. The units of atomic radius are ___.
13. Nonmetals tend to form ___ ions.
14. Metals tend to form ___ ions.
15. ___ tends to increase down the periodic table.
17. 6.022x10e23 is the number of fundamental units in 1 ___.
19. Nonmetals tend to have ___ melting points.