Atomic emission spectra are caused by: O Electrons moving from lower energy levels to higher energy levels and absorbing photons of energy equal to the energy difference between the levels. O Electrons moving from higher energy levels to lower energy levels and releasing photons of energy equal to the energy difference between the levels O Photons moving to lower energy levels from higher energy levels and releasing energy equal to the energy difference between the levels O Electrons being ejected from the surface of the metal when hit by a photon O Photons moving to higher energy levels from lower energy levels and absorbing energy equal to the energy difference between the levels.

Atomic emission spectra are caused by: O Electrons moving from lower energy levels to higher energy levels and absorbing photons of energy equal to the energy difference between the levels. O Electrons moving from higher energy levels to lower energy levels and releasing photons of energy equal to the energy difference between the levels O Photons moving to lower energy levels from higher energy levels and releasing energy equal to the energy difference between the levels O Electrons being ejected from the surface of the metal when hit by a photon O Photons moving to higher energy levels from lower energy levels and absorbing energy equal to the energy difference between the levels.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

How many unpaired electrons are present in the ground state of an atom if six electrons are present in each of the following subshells? There are no other unpaired electrons. 4p subshell 5d subshell 5f subshell
What happens to an electron in an atom when it absorbs energy? Check all that apply The electron re-emits the energy as light O The electron gets promoted to a higher energy level The extra energy increases the speed of the electron in its orbitals The electron stores energy for later use V The electron falls from the excited state back down to the ground state
Which of the following forms of electromagnetic radiation have the longest wavelength? O Radio waves O Gamma O X-ray O Ultraviolet O Infrared
TRUE OR FALSE 10. When low-frequency electromagnetic radiation is applied to a metallic surface, electrons are released from it. 11. Treating food with ionizing radiation helps keep it from spoiling. 12. A perfect blackbody is a perfect absorber of energy transferred by conduction.* 13. Photon is a quantum of light. PHOTOELECTRIC EFFECT
Briefly account for the following observations of the photoelectric emission:• There is a threshold wavelength of the incident radiation above which no photoelectron is emitted.• The kinetic energy of the emitted photoelectron increases with frequency of the incident radiation.
Because the atoms of a given element emit only certain photons of light, only certain_____ occur in those particular atoms.
An electron initially in a 4p state decays to a lower energy state. Which energy state is forbidden? 2p 1s 2s 3d
Which radiation has the lowest frequency? O X-rays O Ultraviolet Red light O Blue light
The minimum frequency of light needed to eject electrons from a metal is called the threshold frequency, ?0. Find the minimum energy needed to eject electrons from a metal with a threshold frequency of 3.20×1014 s−1. With what maximum kinetic energy will electrons be ejected when this metal is exposed to light with a wavelength of 285 nm?
This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI prefix 'zepto' means 10-21. You can find the meaning of any SI prefix in the ALEKS Data tab.) energy (zJ) 1400 1200 1000 800 600 400 200 0 I B -A Use this diagram to complete the table below. What is the energy of the electron in the ground state? What is the energy of the electron in the first excited state? If the electron makes the transition shown by the red arrow, from A to C, will a photon be absorbed or emitted? Calculate the wavelength of the photon that would be absorbed or emitted. Round your answer to 3 significant digits. 250 ZJ 400 ZJ absorbed emitted nm x10 X S
Convert between number of photons and energy given a particular wavelength. Low level light therapy (LLLT) using RED light was observed to promote wound healing. The daily dose provided was 24 J/cm. Given the wavelength of 635 nm, how many photons were required to deliver the dose to a 1 cm? area?
Which of the following explanations BEST describes how an atom emits color? O A. Protons jump to higher energy levels and specific wavelengths are emitted as the protons return to the ground state. O B. Protons jump to higher energy levels and specific wavelengths are emitted as the protons move to the excited state. O C. Electrons jump to higher energy levels and specific wavelengths are emitted as the electrons return to the ground state. O D. Electrons jump to higher energy levels and specific wavelengths are emitted as the electrons move to the excited state. novo DII %23 & 3 e r t u i d f j k C b n m alt