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

3. 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

4. Bromine is brown comes from sea (brine)

6. chlorine iodine Bromine The halogen salt formers Group 7

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)

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

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

15. valium TCP What's lindane used for