Introduction to Geochemistry and Mineral Chemistry (GLYS2208)
Geology, Mining and Environmental Science - GENV
Semester: Second Semester
Level: 200
Year: 2018
Department:
Academic Year: Semester:
Date:13/07/2018 Hall: PBB08 Time:07:30-10
Instructions:
REPUBLIC OF CAMEROON THE UNIVERSITY OF BAMENDA
SECTION A
l- What do you understand about the concept of energy levels/states of an atom with reference to the 4
quantum numbers? (5pts)
2 - Briefly show your understanding of the electromagnetic spectrum and atomic spectra (5pts)
3- S p e c tr o m e t r y is an important aspect of geochemistry, with the use of the s p e c t r o m e t e r .
Briefly explain the words in italic. Differentiate between emission and absorption spectra.(5pts)
4- I) What do you Understand by die; excited and ground states of an atom?
I I ) Calculate the deBroglie wave length of an electron with a speed of 1.00x10
6
m/s, mass =9.
llxl0
-34
kg, h=6.6xl0
-34
(5pts)
5 - Outline the rules of electronic configuration with emphasis on the pauling's exclusion, Aufbau's
and Hund's rules (5pts)
6-What is the relationship between potential energy and atomic stability? Illustrate this
diagrammatically (5pts)
7-What do you understand by periodicity in the study of the periodic table? (5pts)
SECTION B
1- Give the uses of alkali metals (5mks)
2- The alkaline Earth Metals?
a) Define (2mks)
b) Give their properties and characteristics (8mks)
3) Give the characteristics of group 1A (l0mks)
4) What is chemical bonding? Cite the various chemical bonding and their characteristics. (10mks)
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