The wavelength of green light from a traffic signal is centered at 4.50 x 10-5 cm. Calculate the frequency.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm