Geoscience Midterm R - Lynn A English | Library

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

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How many Chlorine atoms does 3MgCl2

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How many elements does 3MgCl2

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

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Which of the following is a Element?

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Which of the following is a Compound?

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Which of the following is a Homogeneous Mixture?

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Which of the following is a Heterogeneous Mixture?

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

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Which of the following is a Sulfide?

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Which of the following is a Sulfate?

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Which of the following is a Silicate?

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Which of the following is a Carbonate?

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

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

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

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What is the difference between emission and absorption spectrum?

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How many Protons does Gallium have?

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How many Nuetrons does Gallium have?

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What is the atomic mass of Gallium?

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Which best describes a stable atom?

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

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

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Which type of spectra is pictured below?

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What type of spectra is the one pictured below?

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

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Convert 5 meters to millimeters, show your work below.

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Convert 60 centimeters to meters, show your work below.

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

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Which star is moving away from us?

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Which picture represents an Atom?

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Which picture represents a Mixture?

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Which property is least helpful in identifying minerals?

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

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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?

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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?

1

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?

1

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?

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Does this mineral have cleavage or fracture?

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What is the luster of this mineral?

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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: