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Laabri

Geoscience Midterm R

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Last updated almost 3 years ago
42 Nsɛmmisa
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6
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

The chemical formula for sulfuric acid is H2SO4. How many total atoms are contained in each molecule of sulfuric acid?

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2.

How many Chlorine atoms does 3MgCl2

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3.

How many elements does 3MgCl2

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4.

Which of the following is the correct formula for 6 water molecules?

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5.

Which of the following is a Element?

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6.

Which of the following is a Compound?

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7.

Which of the following is a Homogeneous Mixture?

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8.

Which of the following is a Heterogeneous Mixture?

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9.

You find material made from these elements H2SO4, which type of matter would it be best described as?

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10.

Which of the following is a Sulfide?

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11.

Which of the following is a Sulfate?

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12.

Which of the following is a Silicate?

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13.

Which of the following is a Carbonate?

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14.

Which property of mineral leaves a powder behind when you rub it on a tile/plate?

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15.

If a mineral scratches a piece of glass what is the hardness of the mineral?

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16.

Which physical property of a mineral is represented by letter A?

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17.

What is the difference between emission and absorption spectrum?

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18.

How many Protons does Gallium have?

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19.

How many Nuetrons does Gallium have?

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20.

What is the atomic mass of Gallium?

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21.

Which best describes a stable atom?

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22.

If a wave moves 950nm/seconds and passes every 2.3seconds what is the wavelength of this wave? What color is this wave?

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23.

Which wave has a greater frequency ? How do you know?

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24.

Which type of observation would the "wavelength" be considered?

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25.

Which type of spectra is pictured below?

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26.

What type of spectra is the one pictured below?

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27.

Which element(s) are in the unknown element below?

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28.

Convert 5 meters to millimeters, show your work below.

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29.

Convert 60 centimeters to meters, show your work below.

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30.

What type of shift is the bottom spectra? What happens to the wavelength?

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31.

Which star is moving away from us?

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32.

Which picture represents an Atom?

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33.

Which picture represents a Mixture?

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34.

Which property is least helpful in identifying minerals?

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35.

Which two properties are the most helpful when identifying minerals? EXPLAIN WHY.

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36.

You find a mineral that appears white-yellow it also feels greasy. It leaves behind a white streak. It does not scratch a glass plate and falls apart with a fingernail scratch. It’s chemical formula is H2Mg3(SiO3)4. It has a mass of 25g and a volume of 9.09 cm3. What is the hardness?

Asemmisa {{asɛmmisaAhyɛnsode}}
37.

You find a mineral that appears white-yellow it also feels greasy. It leaves behind a white streak. It does not scratch a glass plate and falls apart with a fingernail scratch. It’s chemical formula is H2Mg3(SiO3)4. It has a mass of 25g and a volume of 9.09 cm3. What is the density?

Asemmisa {{asɛmmisaAhyɛnsode}}
38.

You find a mineral that appears white-yellow it also feels greasy. It leaves behind a white powder. It does not scratch a glass plate and falls apart with a fingernail scratch. It’s chemical formula is H2Mg3(SiO3)4. It has a mass of 25g and a volume of 9.09 cm3. What is the streak?

Asemmisa {{asɛmmisaAhyɛnsode}}
39.

You find a mineral that appears white-yellow it also feels greasy. It leaves behind a white powder. It does not scratch a glass plate and falls apart with a fingernail scratch. It’s chemical formula is H2Mg3(SiO3)4. It has a mass of 25g and a volume of 9.09 cm3. What is the luster?

Asemmisa {{asɛmmisaAhyɛnsode}}
40.

Does this mineral have cleavage or fracture?

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41.

What is the luster of this mineral?

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42.

A mineral has a mass of 4.6g and a volume of 2mL. It also is irregularly shaped with a pearly/dull luster and when scratched with a fingernail it breaks apart. Finally it leaves behind a white mark. Answer the following about this mineral:

a. Luster:

b. Hardness:

c. Crystal shape:

d. Streak:

e. Density:

f. Mineral Name: