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Biblioteka

Geoscience Midterm R

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Posljednje ažuriranje almost 3 years ago
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6
Pitanje 1
1.

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

Pitanje 2
2.

How many Chlorine atoms does 3MgCl2

Pitanje 3
3.

How many elements does 3MgCl2

Pitanje 4
4.

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

Pitanje 5
5.

Which of the following is a Element?

Pitanje 6
6.

Which of the following is a Compound?

Pitanje 7
7.

Which of the following is a Homogeneous Mixture?

Pitanje 8
8.

Which of the following is a Heterogeneous Mixture?

Pitanje 9
9.

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

Pitanje 10
10.

Which of the following is a Sulfide?

Pitanje 11
11.

Which of the following is a Sulfate?

Pitanje 12
12.

Which of the following is a Silicate?

Pitanje 13
13.

Which of the following is a Carbonate?

Pitanje 14
14.

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

Pitanje 15
15.

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

Pitanje 16
16.

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

Pitanje 17
17.

What is the difference between emission and absorption spectrum?

Pitanje 18
18.

How many Protons does Gallium have?

Pitanje 19
19.

How many Nuetrons does Gallium have?

Pitanje 20
20.

What is the atomic mass of Gallium?

Pitanje 21
21.

Which best describes a stable atom?

Pitanje 22
22.

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

Pitanje 23
23.

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

Pitanje 24
24.

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

Pitanje 25
25.

Which type of spectra is pictured below?

Pitanje 26
26.

What type of spectra is the one pictured below?

Pitanje 27
27.

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

Pitanje 28
28.

Convert 5 meters to millimeters, show your work below.

Pitanje 29
29.

Convert 60 centimeters to meters, show your work below.

Pitanje 30
30.

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

Pitanje 31
31.

Which star is moving away from us?

Pitanje 32
32.

Which picture represents an Atom?

Pitanje 33
33.

Which picture represents a Mixture?

Pitanje 34
34.

Which property is least helpful in identifying minerals?

Pitanje 35
35.

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

Pitanje 36
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?

Pitanje 37
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?

Pitanje 38
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?

Pitanje 39
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?

Pitanje 40
40.

Does this mineral have cleavage or fracture?

Pitanje 41
41.

What is the luster of this mineral?

Pitanje 42
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: