Question 48 A gas in a cathode ray tube produces the line emission spectra shown containing four bright lines. The Not yet bright line that is most likely in the visible spectrum is line number answered Marked out of 1.0 2 Flag question 100 nm 200 nm 300 nm 400 nm Select one: Oa. 1 O b. 2 O c. 3 O d. 4 Question 49 Identify the various atomic models in order of increasing sophistication. Not yet answered Select one:d. Question 49 Identify the various atomic models in order of increasing sophistication. Not yet answered Select one: Marked out O a. Bohr model, Rutherford Model, Wave Mechanical Model, Thomson Model of 1.0 O b. Bohr model, Rutherford Model, Thomson Model, Wave Mechanical Model Flag O c. Thomson Model , Bohr model, Rutherford Model, Wave Mechanical Model question O d. Thomson Model , Rutherford Model, Bohr model, Wave Mechanical Model Question 50 ionization Not yet 0 ev answered 8.72 x 10-20 J Marked out of 1.0 - 1.36 x 10-19 J A Flag 3 -2.42 x 10 19 J question LenovoQuestion 50 ionization Not yet 0 ev answered 5 -8.72 x 10 20 Marked out of 1.0 -1.36 x 109 J A Flag W question -2.42 x 10 J 2 -5.45 x 10-19 J -2. 18 x 10-18 J The energy level diagram for a hydrogen atom is shown. A photon that has an energy of 1.06 x 10-19 J is absorbed by a hydrogen atom. The most likely transition of the electron within the hydrogen atom is Select one: O a. 4 to 3 O b. 3 to 4 O c. 4 to 5 O d. 5 to 4 LenovoQuestion 51 ionization Not yet 0 ev answered -8.72 x 1020 J Marked out of 1.0 -1.36 x 1019 J A Flag -2.42 x 10 19 J question N -5.45 x 109 J 1 -2. 18 x 10 18 J The energy level diagram for a hydrogen atom is shown. Calculate the wavelength of the photon emitted when the electron within the hydrogen atom moves from energy level 5 to energy level 2. Select one: O a. 434 nm O b. 365 nm O c. 315 nm O d. 2.28 um LenovoQuestion 52 Treating the electron as a wave allows for wave constructive and destructive interference effects to Not yet support the answered Marked out Select one: of 1.0 O a. nuclear model Flag O b. billiard ball model question O c. wave mechanical model O d. Bohr energy level model Question 53 Identify the radiation that is most dangerous to living tissue if it originates outside the body. Not yet answered Select one: Marked out O a. beta of 1.0 O b. alpha Flag O c. gamma question O d. Ultraviolet LenovoQuestion 54 Identify the isotope that has 63 protons and 81 neutrons. Not yet answered Select one: Marked out O a. europium-81 of 1.0 O b. thallium-81 Flag O c. thallium-144 question O d. europium-144 Question 55 Identify the weakest of the four fundamental forces. Not yet answered Select one: Marked out O a. Gravitational of 1.0 O b. Strong Force Flag O c. Electromagnetic question O d. Weak (nuclear) Force LenovoQuestion 56 Identify the transmutation equation for the decay of carbon-14. Not yet answered a. 14 C 14 5 B + Marked out 6 b. 14 14 0 - of 1.0 + 6 7 B OV Flag C. 14 14 C 7 N question 6 LB d. 14 14 + ov 6 C IN 7 . B Select one: O a. A O b. B O c. C O d. D Question 57 A mass of 3.67 x 10-25 kg is equivalent to an energy of Not yet answered Select one: Marked out O a. 4.08 x 10-42 J LenovoOb. B O C. C O d. D Question 57 A mass of 3.67 x 10-25 kg is equivalent to an energy of Not yet answered Select one: Marked out O a. 4.08 x 10-42 J of 1.0 O b. 1.22 x 10-33 J Flag O c. 1.10 x 10-16 J question O d. 3.30 x 10-8 J Previous page Next page Lenovo