Homework

PRE AP Chemistry Homework #1 Chapter 7& 8: Bonding

1. How many electrons are required for an atom to be considered ? What is the bonding rule that tells us this information?

2. Write the electron configurations for the following ions:

1.

2.

3.

What do all of these configurations have in common?

3. What will the formula of the ion formed be when the following elements gain or lose valence electrons to attain a noble gas configuration (one with 8 Valence electrons)?

| |Element |# electrons gained or lost |

|A | | |

|B | | |

|C | | |

|D | | |

|E | | |

|F | | |

4. Given the following list, determine which formulas are ionic and covalent:

| |Compound |Ionic or Covalent |

|A | | |

|B |...