tailieunhanh - Lecture Microbiology - Chapter 2: Fundamentals of chemistry

Lecture Microbiology - Chapter 2: Fundamentals of chemistry. This chapter presents the following content: Atomic structure, chemical building blocks, atomic properties, chemical bonds — ionic, chemical bonds — covalent, chemical Bonds — hydrogen,. | FUNDAMENTALS OF CHEMISTRY CHAPTER 2 Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Atomic Structure Proton – Atomic Mass – Electrical charge – Location Neutron – Atomic Mass – Electrical charge – Location Electron – Atomic Mass – Electrical charge – Location Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Chemical Building Blocks Atoms – fundamental units Elements – Atoms differing in proton number Isotopes – Element family with different neutron numbers Molecules – Atoms joined by bonds Compounds – Molecules with more than one elemental type Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Atomic Properties Atomic Number Atomic / Molecular Weight Valence Moles – Relationship to MW – Relationship to number of atoms or molecules present ( x 1023) Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Chemical Bonds — Ionic Loss or gain of electrons Anions Cations Weak bonds Copyright © 2012 John Wiley & Sons, Inc. All rights .