# 1)What is the longest wavelength light capable of ionizing a hydrogen atom in the n = 6 state 2)a. Calculate the energy of the electron in the ground state of single ionized helium, which has an atomic number Z =

16,016 results
1. ## Chemistry

An electron is excited from the n=1 ground state to the n=3 state in a hydrogen atom. Which of the following statements are true? Correct the false statements to make them true. A. It takes more energy to ionize (completely remove) the electron from n=3

2. ## Chemistry

A photon with a wavelength of 93.8 nm strikes a hydrogen atom, and light is emitted by the atom. How many emission lines would be observed?

3. ## chemistry

1.) If the spacing between two electronic energy levels in atom A is larger than in atom B, then the wavelength of the light emitted by atom B will be longer. 2.) If the spacing between two electronic energy levels in atom A is smaller than in atom B, then

4. ## Chemistry

According to the quantum-mechanical model for the hydrogen atom, which of the following transitions would produce light with longer wavelength: 3p to 2s or 4p to 2s? A) The 3p to 2s transition would produce light with longer wavelength. B) The 4p to 2s

5. ## Quantum Physics

What is the maximum value of the wavelength of light that will ionize the hydrogen atom? Express your answer in units of nanometers.

6. ## chem

A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 384 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.

7. ## chem

calculate the max wavelength of light capable of removing an electron for a hydrogen atom from the energy state characterized by the following : n=2 in nm n=4 in nm

8. ## chem

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having the wavelength of 2165 nm. What is the final state of the hydrogen atom?

9. ## Chemistry!! - bobpursley please

Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from the energy state characterized by the following when n=4 =__________nm Responses Chemistry!! - bobpursley, Wednesday, October 22, 2008 at 4:05am So the two

10. ## Physics

GIVEN: A monochromatic laser is exciting hydrogen atoms from the n=2 state to the n=5 state. A: What is the wavelength of the laser? *435 nm B: Eventually, all of the excited hydrogen atoms will emit photons until they fall back to the ground state. How

11. ## Chemistry

Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from the energy state of n=4 if it requires an energy of at least 1.36 x10^-19 J to do this. I just want to know how to find the second n value so i can solve

12. ## Chemistry

When an electron makes a transition from the n=3 to the n=2 hydrogen atom bohr orbit, the energy difference between these two orbits (3.0x10^-19 J) is given off in a photon of light. The relationship ... between the energy of a photon and its wavelength is

13. ## College Physics II

What is the longest wavelength light capable of ionizing a hydrogen atom in the n = 4 state? i know that Solve h c/L = (Rydberg)/6^2 for L something along those lines... but what am i solving for and what is c and h?

14. ## Atomic physics

1)What is the longest wavelength light capable of ionizing a hydrogen atom in the n = 6 state 2)a. Calculate the energy of the electron in the ground state of single ionized helium, which has an atomic number Z = 2. b. Calculate the radius of its

15. ## Atomic physics

5)a. Electrons accelerated by a potential difference of 12.23 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength. b. Calculate the wavelength of light emitted with the

16. ## Chemistry

Determine the end value of n in a hydrogen atom transition, if the electron starts in n=4 and the atom emits a photo of light with a wavelength of 486 nm. *The answer given is 2, but I don't know how they got there.

17. ## Chemistry

Which electron transition in a hydrogen atom will emit a photon with the longest wavelength? n = 2 to n = 1 n = 3 to n = 1 n = 1 to n = 2 n = 1 to n = 3 I would assume it would be a short electron transition since energy and wavelength are inversely

18. ## Chemistry

What is the shortest wavelength of light that can be emitted by a hydrogen atom that has an initial configuration of 7p1?

19. ## Chemistry

What is the shortest wavelength of light that can be emitted by a hydrogen atom that has an initial configuration of 7p1?

20. ## Physics

Rank in order the following according to their speeds, from fastest (1) to slowest (5): (i) 425-nm-wavelength light through a pane of glass, (ii) 500-nm-wavelength light through air, (iii) 540-nm-wavelength light through water, (iv) 670-nm-wavelength light

21. ## CHEM

The mass of an electron is 9.11*10^-31kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31*10^-10m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00*10^8m/s. Express your answer numerically

22. ## Chemistry

According to the quantum-mechanical model for the hydrogen atom, which of the following electron transitions would produce light with the longer wavelength: 2p --> 1s or 3p --> 1s I have the answer, which is 2p --> 1s, but can someone offer some help as to

23. ## Physics

An electron begins in the n = 7 orbital of a hydrogen atom. It then emits a photon of wavelength λ and falls to a lower energy level. Before it has a chance to change levels again, it absorbs a 10 eV photon and is ejected from the atom with a kinetic

24. ## Chem

What is the longest wavelength of electromagnetic radiation capable of ionizing this hydrogen atom in an excited state? Report your answer in nanometers. Δ𝐸=−2.178×10−18 J(1𝑛2final−1𝑛2initial)

25. ## chemistry

What is the longest wavelength of light that can be emitted by a hydrogen atom that has an initial configuration of 8p^1? Thank you!!

26. ## chemistry

A tube containing hydrogen atoms in the n=3 shell does not absorb visible light. The longest wavelength absorbed is 1875 nm. What state is the hydrogen atom in after absorbing a 1875 nm photon?

27. ## *physics*

Electrons accelerated by a potential difference of 12.87 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength. I don't know what equation to use. Any help would be

28. ## Chem

Calculate the frequency associated with light of wavelength 656nm. (this corresponds to one of the wavelengths of light emitted by the hydrogen atom.)

29. ## Chemistry

An electron in a hydrogen atom could undergo any of the transitions listed below, by emitting light. Which transition would give light of the shortest wavelength? n=4 to n=2 n=3 to n=1 n=2 to n=1 n=4 to n=1

30. ## science, chemestry

Identify which concepts/topics you believe that you will need to apply to solve the problem below. Select all that apply. Covalent Bond Energy Ionic Bond Energy Single-electron Atom Ionization Energy Multi-electron Atom Ionization Energy Electronegativity

31. ## College Chemistry

I have no idea how to do this problem, and I've been searching through my book for an hour. Help please? An energy of 2.0x10^2 kJ/mol is required to cause a cesium atom on a metal surface to lose an electron. Calculate the longest possible wavelength of

32. ## chemistry

the energy required to break one mole of chlorine- chlorine bonds in Cl2 is 242 kj/mol. what is the longest wavelength of light capable of breaking a single Cl-Cl bond?

33. ## chem

How much energy is required to ionize a hydrogen atom in its ground (or lowest energy) state? What wavelength of light contains enough energy in a single photon to ionize a hydrogen atom?

34. ## chemistry

Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=5.091 A˚. What is the maximum wavelength (in meters) of

35. ## Chemistry

What is the shortest wavelength of light that can be emitted by a hydrogen atom that has an initial configuration of 7p1?

36. ## AP chem

It takes 208.4 kJ of energy to remove 1 mole of electrons from atom on the surface of rubidium metal. How much energy does it take to remove a single electron from an atom ont eh surface of solid rubidum? What is the maximum wavelength of light capable of

What is the wavelength (in nanometers) of light emitted from a hydrogen atom when an electron falls from the n = 2 to n = 1 orbital? I got this answer and i wanted to make sure it is right 121.7 Thank you

38. ## Chemistry

Will a photon of light of wavelength 480 nm excite an electron in the hydrogen atom from the n = 1 level to the n = 2 level? How would I figure this out?

39. ## Chemistry

1.How much energy is emitted by 1 mol of sodium ions emitting light at this wavelength? Answer in units of kJ. This is what I did for this problem, but my answer is wrong 45.8 mg = 0.0458 g 0.0458 g / (23.0 g/mol) = 0.001991 mol Na 0.001991 mol x (6.02214

40. ## Physics-Astronomy

Hello, I have no idea how to do the following question. Any help would be appreciated: An energy of at least 13.6 electron-volts is required to ionise a hydrogen atom. What is the longest wavelength of electromagnetic wave capable of ionising hydrogen? And

41. ## Chemistry

Calculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. (a) n = 5 n = 4 _________nm (b) n = 5 n = 3 _____________ nm (c) n = 5 n = 2 __________ nm Calculate the maximum wavelength of light capable of

42. ## Chemistry

The ionization energy of Fe is 434 kJ/mol. What is the maximum wavelength of light capable of ionizing Fe? What type of light is this?

43. ## Physics

What is the longest wavelength of light that can be absorbed by a hydrogen atom that is initially in the second excited state?

44. ## Chemistry!!

Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from the energy state characterized by the following when n=4 =__________nm

45. ## physics

5)a. Electrons accelerated by a potential difference of 12.23 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength. b. Calculate the wavelength of light emitted with the

46. ## Chemistry

Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from the energy state of n=4 if it requires an energy of at least 1.36 x10^-19 J to do this. Please help with formulas to use?

47. ## science chemistry

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having a wavelength of 396.9 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.

48. ## Chemistry

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having a wavelength of 1005 nm. What is the final state of the hydrogen atom? What is the equation to solve this?

49. ## Physics HELP!!

1. What is the longest wavelength for standing sound waves in a 133.9cm long tube that is open at both ends? b).What is the second longest wavelength? c).What is the third longest wavelength? d).What is the longest wavelength for a standing wave, in the

50. ## chemistry

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a wavelength of 1100 nm. What is the final state of the hydrogen atom

51. ## Chemistry

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a wavelength of 2630 nm. What is the final state of the hydrogen atom?

52. ## Chemistry

A ground state hydrogen atom absorbs a photon of light having a wavelength of 94.96 nm. It then gives off a photon having a wavelength of 95 nm. What is the final state of the hydrogen atom? I think I got 5 for an answer, but I am not sure if I did this

53. ## chemistry

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.73 nm. It then gives off a photon having a wavelength of 1094 nm. What is the final state of the hydrogen atom?

54. ## Chemistry Help! (Rydberg Equation)

a) According to the Rydberg equation, the line with the shortest wavelength in the emission spectrum of atomic hydrogen is predicted to lie at a wavelength (in nm) of _____ b) According to the Rydberg equation, the longest wavelength (in nm) in the series

55. ## Chemistry help

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a wavelength of 94 nm. What is the final state of the hydrogen atom?

56. ## Chem

A ground state hydrogen atom absorbs a photon of light having a wavelength of 94.96 nm. It then gives off a photon having a wavelength of 95 nm. What is the final state of the hydrogen atom?

57. ## chemistry

The first ionization energy of a carbon atom is 1.81 aJ. What is the frequency and wavelength, in nanometers, of photons capable of just ionizing carbon atoms? v=______s^(-1) lambda =_____nm Assuming an ionization efficiency of 47.0%, how many such photons

58. ## chemistry

The first ionization energy of a carbon atom is 1.81 aJ. What is the frequency and wavelength, in nanometers, of photons capable of just ionizing carbon atoms? v=______s^(-1) lambda =_____nm Assuming an ionization efficiency of 47.0%, how many such photons

59. ## Chemistry

1)Identify which concepts/topics you believe that you will need to apply to solve the problem below. Select all that apply. a)Covalent Bond Energy b)Ionic Bond Energy c)Single-electron Atom Ionization Energy d)Multi-electron Atom Ionization Energy

60. ## chemistry

how do i calculate the wavelength of light emitted by a hydrogen atom?

61. ## chimistry

Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=3.591 A˚. What is the maximum wavelength (in meters) of

62. ## chemistry

Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=2.091 A˚. What is the maximum wavelength (in meters) of

63. ## chemistry

Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=5.591 A˚. What is the maximum wavelength (in meters) of

64. ## science

Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=3.591 A˚. What is the maximum wavelength (in meters) of

65. ## chemistry

Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=4.091 A˚. What is the maximum wavelength (in meters) of

66. ## Physics

What is the longest wavelength for standing sound waves in a 108.0 cm long tube that is open at both ends? What is the second longest wavelength? What is the third longest wavelength?

67. ## Science

What does it mean, when it says "for visible light (ROYGBIV) which has the shortest wavelength? which has the longest? place all other colors in order based on their wavelength from shortest to longest.

68. ## Physics

What is the wavelength of light that can cause a transition of an electron in the hydrogen atom from the orbit with n = 6 to n = 8?(answer in µm)

69. ## Chemistry

Chlorofluorocarbons (CFC's) are organic compounds that have been implicated in ozone depletion. When the CFC known as Freon 12 (CCl2F2) is exposed to UV radiation (wavelength in the range of 10 nm to 400 nm, a bit shorter than visible light), a chlorine

70. ## Physics

The wavelength of light emitted from a distant galaxy by a hydrogen atom is observed to be 400 nm. If it is known that the laboratory wavelength of this light emitted by hydrogen is 380 nm, what is the velocity of the galaxy? (a) .135c away from Earth (b)

71. ## Chemistry

What is the shortest wavelength of light that can be emitted by a hydrogen atom that has an initial configuration of 7p1?

72. ## Chemistry

What is the shortest wavelength of light that can be emitted by a hydrogen atom that has an initial configuration of 7p1?

73. ## physics

Between which two orbits of the Bohr hydrogen atom must an electron fall to produce light of wavelength 434.2 ?

74. ## Chemistry

What electron transition in a hydrogen atom, ending in the orbit 4, will produce light of wavelength 2170 nm ?

75. ## Chemistry

Between which two orbits of the Bohr hydrogen atom must an electron fall to produce light of wavelength 434.2 ?

76. ## Chemistry

What electron transition in a hydrogen atom, ending in the orbit 5, will produce light of wavelength 3040 ?

77. ## chemistry

help needed in drawing the diagram to show how hydrogen has numerous spectral lines I also need help with this question.... ---------------- ---------------- ---------------- ---------------- ---------------- -------------------- Each line above represents

78. ## Chem

From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1 MHz is 30.0 million (3.00 X lo7) times greater than the wavelength corresponding to the energy difference between a particular

79. ## Chemistry

Between which two orbits of the Bohr hydrogen atom must an electron fall to produce light of wavelength 434.2nm?

80. ## chem

What electron transition in a hydrogen atom, starting from the orbit 10, will produce infrared light of wavelength 3040 ?

81. ## Chemistry

The O−H bond enthalpy is 463 kJ/mol. What is the wavelength of light that will cause dissociation of H2O into the hydrogen atom and the hydroxyl radical

82. ## Ap Chemistry

Calculate the wavelength of light that must be absorbed by hydrogen atom in its ground state to reach the excited ste of E=+2.914*10^(-18)

83. ## Chemistry

Considering the emission of the hydrogen atom, a. what is the wavelength of the light emitted by the transition from n = 2 to n = 1. b. In what region of the electromagnetic spectrum does this radiation belong?

84. ## physics

blue-green light has a frequency of about 6X10 to the fourth Hz. use the relationship c=fl to find the wavelength of this light in air. how does this wavelength compare with the size of the atom, which is about 10 is to ten?

85. ## chemistry

Calculate the shortest wavelength of visible light (in nanometers) seen in the spectrum of the hydrogen atom. nm What are the principle quantum numbers for the levels in this transition?

86. ## Science

I have a question from an old exam that I need help to understand, i'm not sure where to start An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The photon

87. ## science

I have a question from an old exam that I need help to understand, i'm not sure where to start An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The photon

88. ## chem 115

The first ionization energy is the energy necessary to completely remove the outermost electron from an atom. For a Hydrogen atom this energy is 2.18 X 10^-18J. If you were to use a laser to provide this energy, what is the wavelength (in nm) of the light

89. ## Chemistry

I have this question from an old exam for review. I tried the question but can't get the right answers. An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The

90. ## Chemistry

I have this question from an old exam for review. I tried the question but can't get the right answers. An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The

91. ## Chemistry.

Caculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. A.) n=3->n=2 B.) n=4->n=3 C.) n=2->n=1 How do you do this. Could you please just show me step by step for atleaset one. Please!

92. ## Chemistry

A hydrogen atom electron in an excited state with n = 7 drops to a lower energy state with n = 3. What is the wavelength of the light emitted in this transition

93. ## Chemistry

From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1 MHz is 30.0 million (3.00 e7) times greater than the wavelength corresponding to the energy difference between a particular

94. ## Chemistry

Sodium vapor lamps, used for public lighting, emit yellow light of wavelength 589 nm. How much energy is emitted by 5.00 mg of sodium atom emitting light at this wavelength?

95. ## chem

The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10^8 ~\rm

96. ## fau

The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10^8 ~\rm

97. ## Chemistry

The hydrogen atomic emission spectrum includes a UV line with a wavelength of 92.3 nm. Is this line associated with a transition between different excited states or between an excited state and the ground state? What is the value of n1 of this transition?

98. ## Chemistry

Electron exhibiting a particle wavelength of 4.02 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength

99. ## chemistry

Electron exhibiting a particle wavelength of 6.81 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength

100. ## Chemistry

Electron exhibiting a particle wavelength of 5.2 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength