I believe the correct answer from the choices listed above is option A. Multiplying 42 by 2/3, or 0.667, would be most useful for c<span>alculating the moles of O2 needed to produce 42 moles of CO2. Hope this answers the question.</span>
A. The atom has 3 protons, 3 electrons, and 4 neutrons.
Answer:
A ( salinity )
Explanation:
The full question is actually:
Which of the following is a chemical property of seawater?
salinity
temperature
density
depth
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Sulfur dioxide formula is : SO2
Hyrdrogen monobromide is : HBr
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Answer:
A silicone atom shares an electron pair with each oxygen atom
Explanation:
Because the silicone dioxide molecule has one silicone atom:two oxygen atoms....
Hence...since silicone has four electrons in the outter shell..which are used for bonding...each oxygen atom shares two electrons(an electron pair) with the silicone atom...so as to fill the outter shell of the oxygen atom
