We have spent several days practicing naming binary compounds. It’s time to play the “name binary compounds” game and write 8 chemical formulas with their names in your notebook.
the game is here: http://www.rsc.org/learn-chemistry/resources/gridlocks/puzzles/level-1/NamingCompounds.html
Chlorine does but Phosphorus don’t.
Why? Phosphorous shares 5 electrons; 2 from s orbital and 3 from p. Electros on the p orbital are shared and those on the 2 are promoted to d.
To learn more go to: https://socratic.org/questions/does-pc5-obey-the-octet-rule
In case you want to learn more about the London Dispersion Forces I would suggest this resource
If you want to practice about atomic bonding there is a great simulation made by the American Chemical Society that you should explore. Visit the lesson plan and the activity