Find the wavelength of a photon of light with energy 2.04 eV. Express your answer in meters. (h = 6.63 x 10-34 J. s; c = 3 x 108 m/s; 1 eV = 1.6 x 10-19 J)

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Each of the following compounds contains a metal that can exhibit more than one ionic charge. provide systematic names for each of these compounds. (a) cr(clo3)6 (b) mo(cn)6 (c) cr2(so3)3 (d) v(clo2)2 (e) v(cn)5 (f) os(clo2)4

Which metal exist in liquid state and can be cut with knife ?