Chemistry Dec. 15 & 16, 2014

•OBJECTIVE: Students will make notes describing and explaining the  covalent bond and the properties of molecular compounds.

•W.O.D. Laceration –to cut or rip

•WARMUP

1. Define the following terms: covalent bond, molecule, diatomic molecule, molecular compound, & molecular formula

Home work

In order to prepare for lab next class, describe how to separate a mixture of sand, salt, iron filings, and chalk dust

Classwork

1. C.Y.U

•Check your understanding #1 ionic bonding (loose-leaf paper)

1. What is a stable octet? (1pt)

2. What is an ion? (1pt)

3. How are ions formed (2pts)

4. Write the symbol for the ion formed from (a) Na (b) S   (c) Cl (d) Mg . Explain your answer in each case. (8pts)

5. Show how the ionic bond is formed between

(a)   Aluminum and bromine  (b) Lithium and oxygen (4pts)

2. Reading and making notes

Read pages 217-222 and make notes on the following:

a.Octet rule in covalent bonding

b.Single covalent bond with 3 examples.

c.Double and triple covalent bond with 3 examples.