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Goryan [66]
3 years ago
12

Which of the following minerals scratches

Chemistry
1 answer:
Arada [10]3 years ago
5 0

Answer:

b. diamond

Explanation:

Diamond is the hardest known naturally occurring substance. And it will scratch any other minerals below it on the moh's scale of hardness.

  • Fluorite is below diamond in the scale of hardness and it will readily scratch it.
  • Talc, is the softest mineral, it will not scratch fluorite
  • Both gypsum and calcite also below fluorite.
  • They will not scratch this mineral.
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Density is equal to mass divided by volume.

So D=118/12

D=9.83
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Which state of matter is characterized by having an indefinite shape, but a definite volume?.
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Answer:

A liquid

Explanation:

Liquids has an indefinite shape, which means it could change from one shape to another. For example, if you pour water into a rectangular fish tank. The shape of the liquid changes into a rectangle. Definite volume means its volume is consistent and that it is unchangeable. If you fill the rectangular fish tank with water, the volume of the water stays the same even though it changes shape.

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<h2>Plasma is most likely inflence by - Option C</h2>

This plasma is most likely influenced by magnetic and electric fields. The massive positively charged ions which are influenced the lighter electrons than replace the ions to keep charge impartiality.

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Alike iron filings in the closeness of a magnet, bits in the plasma will ensue magnetic field lines.

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4 years ago
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How many energy levels dose a tungsten atom have?
elena-14-01-66 [18.8K]

Answer:

Tungsten atom has 6 energy level

Explanation:

6 energy levels of tungsten atom

Energy level 1 - 2

Energy level 2 - 8

Energy level 3 - 18

Energy level 4 - 32

Energy level 5 - 12

Energy level 6 - 2

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