What is the color of benzene and bromine

The first element on the periodic table of elements is carbon. a. true b. false

What happens when an acid dissolves?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line