General Chemistry - Chapters 4-6

4 - Molecules & Compounds

Ionic Bonds

Bonds between ions where one bond. One atom gives away electrons to the other one.

Covalent Bonds

co = sharing
valent = electrons.

sharing of electrons

Chemical formulas 

encompasses empirical, structural, and molecular formula 

Empirical formula

simplest whole # ratio of the molecule

Molecular formula

the exact formula, not simplified

Structural Formula

writes out how the atoms will be connected

Formula Units 

the empirical formula for ionic compounds

Which elements naturally occur as diatomics?

HOFBrINCl — Dr. HOFBrINCl works only with 2 pairs of the same atom.

2e- Domain

Linear 

3 e-domain

Trigonal Planar
Bent

4e- domain

Tetrahedral
Trigonal pyramidal
Bent

5e- Domains

Trigonal Bipyramidal 
Seesaw
T-shaped
Linear

6e- domain

Octahedral
Square Pyramidal

Square Planar

T-shaped
Linear