Vector A is 4.00 units in length and points along the positive x axis. Vector B is 5.00 units in length and points along the negative y axis. Use graphical methods to find the magnitude and direction of the vectors below.
(a) A+B
(b) A-B

Which statement correctly describes the relationship between frequency and wavelength?

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.