Vocabulary and understandings for bonding
Vocabulary
Octet rule
Ionization energy
Electronegativity
Covalent bond
Ionic bond
Metallic bond
Valence electron
Potential energy
Coordinate covalent bond
Polyatomic ions
Electron distribution/charge distribution in
electron cloud
Nonpolar covalent bond
Polar covalent bond
Charge distribution
Bond strength
Understand:
1. Define a chemical bond:
2. Where is potential energy located within a substance?
3. Why are elements within a group chemically similar?
4.
5.
6.
7.
Which classes of elements are joined by an ionic bond?
Which class of elements is joined by a covalent bond?
Which class of elements is joined by a metallic bond?
Explain how the “mobile sea” of electrons of a metallic bond conducts electricity.
8. Write a chemical formula for the ionic compound Sodium carbonate.
9. When are roman numerals included in a compound’s name?
10. Write the name for VCl5.
11. Write the formula for Copper(II) bromide
12. Write a molecular formula for covalently bonded compound carbon tetrachloride.
13. Write the name of an ionic compound from its formula (NH4)2S.
14. Write the name of a covalently bonded molecule from its formula SO2.
15. Draw the electronegativity scale and place O2, C-H, and H-F bonds on it.
16. Draw electron dot diagrams of elements: Li, O and their ions.
17. Draw the electron dot diagram of ionic compound K2S.
18. Draw electron dot diagrams of molecules-nonpolar CO2 & polar NH3.
19. What type of bond holds the atoms of the polyatomic ion together?