Honors Earth Science

HONORS EARTH SCIENCE

MINERAL CHEMISTRY NAME ______

DATE ______HOUR ___

1. Use your class notes and the example below to complete each atomic structure below with: 1) the correct # of protons, neutrons, and electrons, and 2) the correct electron structure

Example:
Fluorine p = n= e=
Diagram
à
# electrons in outer shell = ______/ Calcium p = n= e=
# electrons in outer shell = ______
If it gains enough electrons to fill its outer shell, it will have a ______ion charge. / If it loses all the electrons in its outer shell, it will have a ______ion charge.
Aluminum p = n= e=
# electrons in outer shell = ______/ Oxygen p = n= e=
# electrons in outer shell = ______
If it loses all the electrons in its outer shell, it will have a ______ion charge. / If it gains enough electrons to fill its outer shell, it will have a ______ion charge.

PAGES 23-25 may be helpful

2. Draw the mineral quartz (SiO2). Include covalent bonding

3. Draw the mineral fluorite (CaF2) Include ionic bonding

Pages 29-34 may be helpful

4. Compare calcite and dolomite’s chemical formulas. What element is the only difference between them?

Calcite and dolomite’s formulas make them very similar minerals. What is the major way to tell these minerals apart?

5. Plagioclase feldspar and K-feldspar have very similar formulas.

What elements are similar in each formula?

Which physical properties of these two minerals are similar?

6. Look at the formulas for hematite and magnetite. Why are they difficult to tell apart?

8. For the minerals below, list each element in the compound and how many atoms of each.

Ex) CaCO3 1 calcium, 1 carbon, 3 oxygen and name the mineral: calcite

A. . CaF2

mineral name:

B. Fe2O3

mineral name:

F. SiO2

mineral name:

G. Al2Si12O5(OH)4

mineral name:

H. (Ca,Mg)CO3

mineral name:

______ p = 17 n= e=
Unknown???
# electrons in outer shell = ______/ magnesium p = n= e=
# electrons in outer shell = ______
If it gains enough electrons to fill its outer shell, it will have a ______ion charge. / If it loses all the electrons in its outer shell, it will have a ______ion charge.