A) What is the wavelength of light emitted by the hydrogen ion (H+) when it captures an electron in its 1s shell?

b) For Helium, what would be the wavelength of the photon emitted from a n= 4 to a n= 2
transition (assuming a Zeff value of 1.34)?

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.