Which molecule or ion has a linear shape?

C3h8o3 - glycerol major species present when dissolved in water

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Fred is studying a substance that is made out of only one element. this means that