1. Petroleum A Practice Quiz 1 -use your periodic table for this quiz.

2. How many valence electrons does calcium, Ca, have?

3. 2. Draw the electron dot diagram for chlorine, Cl.

4. 3. Draw the electron dot diagram showing bonding between:
Hydrogen-H &
Fluorine-F

5. 4. Give the molecular formula for water.
5. What is the molecular formula for a hydrocarbon with 20 carbons?

7. Petroleum A Quiz 1 Key 1. Ca has 2 valence e- as it’s in group IIA
2. : Cl : H: F :
4. H2O
5. C20H42