3 The energy needed to lonize a hydrogen atom in the ground state is Proof Explain 1 2 9 eV 2 3 2 eV 4 Photons incident upon

Question

3 The energy needed to lonize a hydrogen atom in the ground state is Proof Explain 1 2 9 eV 2 3 2 eV 4 Photons incident upon hydrogen atoms in the n 2 level raise the energy of the atoms to the n 4 level What is the energy of the incident photons 1 1 89 eV 2 2 55 ev 3 13 06 eV 4 13 6 eV Proof Calculation 3 3 40 ev 4 4 25 ev 5 Several hydrogen atoms are supplied with sufficient energy to excite them to the n 3 energy level As the atoms return to the ground state how many different energy level transitions are possible 1 1 2 2 3 3 4 4 Proof Draw levels and arrows to show transitions 6 A photon with 15 5 electron volts of energy is incident upon a hydrogen atom in the ground state If the photon is absorbed by the atom it will 1 ionize the atom 2 excite the atom to n 2 3 excite the atom to n 3 4 excite the atom to n 4 7 An electron in the c level of a mercury atom is hit with a photon that has 6 62 electron volts of energy Which of the following will happen 1 The electron is moved to the ground state 2 The electron leaves the atom with a kinetic energy of 6 62 ev The electron leaves the atom with a kinetic energy of 1 10 eV The electron absorbs 5 52 eV of energy 3 4 Proof Calculation 8 What energy photon is needed for an electron in the n 5 level of a hydrogen atom to leave with a kinetic energy of 5 06 eV 1 0 54 eV 2 5 60 ev Proof Calculation Proof Explain 3 6 14 eV 4 13 6 eV 9 The bright line emission spectrum of an element can best be explained by 1 protons being dispersed uniformly throughout the atoms of that element 2 electrons being located in the nucleus 3 protons acting as both particles and waves 4 electrons transitioning between discrete energy levels in the atoms of that element

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