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- 1. Multiple Choice
Which answer choice correctly identifies an element and electron configuration represented by element 3?nitrogen
[He]2s22p3bromine
[Ar]4s23d104p5vanadium
[Ar]4s23d3boron
[He]2s22p1 - 2. Multiple Choice461214
- 3. Multiple Choicen = 1 → n = 2n = 2 → n = 3n = 3 → n = 2n = 2 → n = 1
- 4. Multiple ChoiceInfrared light has a lower frequency than gamma rays.Ultraviolet light has a lower energy than gamma rays.Radio waves have longer wavelengths than gamma rays.Microwaves are higher energy than gamma rays.
- 5. Multiple ChoiceConsider the following equation:
Ephoton=hν
How is the energy of a photon related to the frequency of that photon?energy is equal to its frequencyenergy is proportional to its frequencyenergy is inversely proportional to its frequencyenergy is equal to the square of its frequency - 6. Multiple ChoiceA onlyB onlyBoth A and BNeither A nor B
- 7. Multiple ChoiceWhich of the following configurations could represent an excited state configuration?1s22s22p61s22s12p61s22s12p71s12s32p6
- 8. Multiple ChoiceBased on the emission spectra shown, which element emits photons of light with the highest energy?hydrogenmercuryneon#chem4lyfe
- 9. Multiple ChoiceAs frequency increases,
wavelength increases,
and energy increases.As frequency increases,
wavelength decreases,
and energy increases.As frequency increases,
wavelength decreases,
and energy decreases.As frequency increases,
wavelength increases,
and energy decreases. - 10. Multiple Choicegamma electromagnetic radiationultraviolet electromagnetic radiationinfrared electromagnetic radiationradio electromagnetic radiation
- 11. Multiple ChoiceWhat is the energy of a photon of electromagnetic radiation with a frequency of 3.28x1014Hz?523,000J9.15x10-7J131J2.17x10-19J
- 12. Multiple ChoiceRadio waves can have wavelengths as large as 100.km. What is the frequency of a radiowave with this wavelength?3.00x103 Hz3.00x108 Hz3.33x10-4 Hz3.33x10-8 Hz
- 13. Multiple ChoiceWhat is the frequency of electromagnetic radiation with a wavelength of 184nm?1.63x107Hz1.63x1015Hz1.63x10-15Hz1.63x10-7Hz
- 14. Multiple ChoiceA source of light has a wavelength of 5.00x10-7m. What is the energy of 1.00 moles of photons of this light? Answer in kJ/mol.6.00x1014kJ/mol3.98x10-19kJ/mol239kJ/mol239,000kJ/mol
- 15. Multiple Choice1.00 moles of photons of light carry 432kJ of energy. What is the wavelength of these photons in meters?1.08x1015m7.18x10-19m694,000m2.77x10-7m
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