Element Property Trends

3. 6.022x10e23 is the number of fundamental units in 1 ___.
5. Metals tend to be ___ and ductile.
6. The negative values for electron affinity mean that energy is ___ from the atom during the process of adding an electron.
7. Ionization energy tends to decrease as atomic radius increases because of ___.
10. Shield Effect explains why these electrons do not experience the full attraction of the nucleus.
11. Nonmetals tend to form ___ ions.
12. Atoms and molecules are ___ in chemistry.
16. When ___ energy is added to an atom, a positive ion is the result.
19. A high electronegativity or ___ value tells you an element has a stronger attraction for electrons.
21. The units of atomic radius are ___.
23. Negative ions are aka ___.

1. The units of electronegativity are ___.
2. This is used to help predict the kind of bond two elements will form.
4. Metals tend to form ___ ions.
8. Nonmetals tend to have ___ melting points.
9. Positive ions are aka ___.
13. Metallic characteristics tend to increase as you travel ___ the periodic table.
14. Nonmetals tend to be ___ conductors.
15. Joules are units of ___.
17. An electron is ___ to an atom during the process described by the definition of electron affinity.
18. The units of ionization energy are ___.
20. ___ tends to increase down the periodic table.
22. Nonmetallic characteristics tend to increase as you travel to the ___ across the periodic table.