C2.2 - ELECTRONIC STRUCTURES AND THE PERIODIC TABLE

C2.2 - ELECTRONIC STRUCTURES AND THE PERIODIC TABLE

1. ATOMIC (PROTON) NUMBER OF ELEMENT DETERMINES POSITION IN TABLE

2. NUMBER OF ELEMENTS IN THE OUTERMOST SHELL OF ATOM DETERMINES CHEMICAL PROPERTIES

3. THE GROUP NUMBER IN THE PERIODIC TABLE EQUALS THE NUMBER OF ELCTRONS IN OUTER SHELL

4. ATOMS OF METALS TEND TO LOSE ELECTRONS

5. ATOMS OF NON-METALS TEND TO GAIN ELECTRONS

6. NOBLE GASES IN GROUP 0 ARE UNREACTIVE DUE TO THEIR VERY STABLE ELECTRON ARRANGEMENT