The atomic number of carbon (C) is 6.
The atomic weight of C is 12.011 grams per mole.
The atomic number of an element is the number of protons in the element. Carbon has 6 protons and therefore has an atomic number of 6
(See the Related Links below this answer for a periodic table with more information about this element)
Part of Ethanol is polar, part is non-polar. This property allows ethanol to be miscible in both polar and non-polar substances.
Depends on where you live. Closer to the midwest, like Illinois, Wisconsin, Iowa, much cheaper than gas, the farther away from there, the more expensive.
Typically the break even point to run E85 vs gas is $0.60 a gallon, if you aren't at LEAST that amount difference, then it isn't cost effective to run.
The planet Mercury, which is visible without a telescope, was known to ancient civilizations beginning with the Babylonians, Egyptians, Persians, and Chinese. The Greeks had two names for the planet: Apollo (in the morning sky) and Hermes (in the evening sky). The Romans named it Mercury for the Roman equivalent of Hermes, the messenger of the gods.
The element mercury is named for the same Roman god, and was isolated from the mineral cinnabar, mercury sulfide, as early as 1500 BC in ancient Egypt. It was also produced in China before the 2nd century BC.