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1. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 1
Phase Changes
Sublimation
Deposition

2. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 2
2 – D Packing of Spherical Objects

3. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 3
3-D Close-Packing of Spherical Objects

4. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 4
Unit Cell and Crystal Structure
Crystal Structure of a Solid may be
explained in terms of Addition of
Successive Unit Cells

5. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 5
Three Cubic Lattices

6. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 6
Face-Centred Cubic Structure
This unit cell has
half an atom per
each of the six
faces of the cube,
and one-eight of
an atom per each
of the four
corners of the
cube

7. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 7
Simple Cubic and Body-Centred Cubic
Structures

8. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 8
Metallic Bonding and Malleability

9. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 9
Band Theory

10. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 10
Band Diagrams for Metals,
Semiconductors and Insulators

11. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 11
Induced Dipole

12. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 12
Dipole-Dipole Forces

13. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 13
Hydrogen Bonding
Hydrogen bonds ….

14. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 14
Vapour Pressure of a Liquid

15. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 15
Boiling Point of a Liquid

16. Molecules and Materials
General Chemistry CHM 107 Dr Erdal Onurhan Slide 16
Surface Tension of a Liquid