last week clarity and progress

1. structure of atom notes learning

1.1. chemical bonding types,ionic and covalent compounds,hybridisation concept

2. deep waters,the rat trap undertsanding

2.1. asl prep

3. relations and functions

4. memories,operating system,uses,mobile assembly

4.1. question answers 1 to twenty

5. kinematics average speed and velocity,relative speed and velocity

5.1. all numericals sent yet