University:
University of Cambridge
Course:
0620 IGCSE | Chemistry
Academic year:

2022
Views:

440

Pages:

2
Author:

Aku S

Polyatomic ion -charged molecules -many are 1 nonmetal & 1-4 OXY naming is based on Prevalent for m non-metal rood name & "ate" most Clo= Chlorate +10 (Per-) base (ate) -10 (ite) organic compounds: -any compoun& containing C-H bonds -can also have O, N, S, P or even se, Fe, Mo, Cr Chapter 5 Drawing and understanding molecules. Their geometry, Connectivity, etc.. Tools: -Lewis Structures - VSEPR (30 modeling) -electro negativity G.N. Lewis: -emperical rules for understanding bonding. Non-quantuon mechanics, very useful electronegativity: -first we need to know about band polarity Pauling electronegativity. F 4.0 0 3.5 C13.0 N 3.0 D 2.1 C 2.5 B 2.0 Ma 12.5 1.2 3.5 2.3 ioni C