1. The following physical properties of the halogens: appearance and state at room temperature, volatility, and solubility in water and organic solvents
The classification of elements into s, p and d blocks
The electronic configuration of atoms from hydrogen to krypton in terms of main energy levels and s, p and d atomic orbitals

2. Fluorine

3. Chlorine is everywhere
Chlorine is everywhere. If you drink a glass of water, take medicine, clean your teeth or drive to work… you are unknowingly - perhaps - benefiting from chlorine compounds.Even your body’s own digestive system depends upon a chlorine compound to break down foodstuffs
chlorine

4. Bromine
Bromine is brown comes from sea (brine)

5. IOdine

6. The halogen salt formers Group 7
iodine
chlorine
Bromine

7. There is an increase in the strength of the intermolecular forces

9. A measure of the ability of an atom to attract bonding electrons to itself

10. Revision
Electronic configuration of fluorine (full) , chlorine (full)Bromine (using a noble gas configuration) and iodine Just the outer shell configuration)

11. The solubility of the halogens in water and organic solvents
In hexane TOP
In water BOTTOM
chlorine
Pale green
Pale green
bromine
Red brown
red
violet
iodine
brown

12. Which one is the odd one out?
BLEACH
HALOGEN LAMPS
PVC
PHOOGRAPHY

13. valium
What's lindane used for
TCP