What is the oxidation state of CI in HCIO4?
O A. -3
OB. +7
O C. +8
OD. -1

Which term best describes the form sound takes as it travels away from a drum (a- gas)(b-music) ( c-waves) (d-particles

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

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