Minerals, Continued. Minerals. Atomic structure

Minerals Minerals, Continued Crystalline Solids crystalline = orderly arrangement of atoms Naturally Occurring Inorganic Substances Definite Chemica...
Author: Bryan Williams
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Minerals

Minerals, Continued

Crystalline Solids crystalline = orderly arrangement of atoms Naturally Occurring Inorganic Substances Definite Chemical Composition eg: SiO2 for Quartz

http://www.dayah.com/periodic/

Atomic structure

http://periodic.lanl.gov/default.htm

“Atomic Number” “Atomic Mass Number” = # of protons + # of neutrons

= # of protons

“Isotopes” are varieties of an element with varying # of neutrons

Box 02.02.f1

Fig. 02.02

1

Fig. 02.18

Bonds Ionic -- exchange of electron(s) Covalent – sharing electron(s) Metallic – electrons move freely

Crystalline arrangement of Silicate Minerals all contain the Silicon-Oxygen Tetrahedron

Fig. 02.08