Because it is a solid material, it is known as a dry lubricant. This is useful inapplications<span> where “wet” lubricants, such as oil, cannot be </span>used<span>. </span>Graphite<span> is the only non-metal element that is a good conductor of electricity. Natural </span>graphite<span> is </span>used <span>mostly in what are called refractory </span><span>applications</span>
Answer:
You can view more details on each measurement unit: molecular weight of H2S or grams This compound is also known as Hydrogen Sulfide. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles H2S, or 34.08088 grams. Note that rounding errors may occur, so always check the results.
Answer:
A
Explanation:
Chlorine has one valence electron
Hence one chlorine atom reacts with 2 atoms of lithium
And also reacts with 3 atoms of boron
C. quartz and amethyst
Explanation:
Quartz and amethyst can be told apart by their color without performing a streak test on them.
This is because from the given choices, their color is different.
quartz is a colorless
amethyst is purple
- Quartz is silicate mineral purely made of silicon and oxygen.
- Amethyst is a variety of quartz but containing some mineral inclusions that makes its color different.
- Preforming the streak test gives their color to be white.
- This cannot be useful in identifying the minerals they contain.
- Since their natural colors are distinct, it is a more diagnostics tool .
learn more:
Silicate minerals brainly.com/question/4772323
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