6. Show that the speed of light is constant over the electromagnetic spectrum Compare: a. X - r rays :?wavelength : 3 nm frequency : 1 * 10 ^ 17 * H * z radio waves: ?
wavelength : 50 m
frequency : 6 * 10 ^ 6 * H * z

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?