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Which of the following statements are true of atomic emission spectroscopy (AES)? I. Atoms are promoted to an excited state with a laser. II. Atoms are promoted to an excited state by gaining energy from collisions with other atoms or from the high thermal energy of the flame. III. The intensity of emitted light is proportional to analyte concentration. IV. Plasma often replaces flame in AES   A. III and IV   B. I, III, and IV         C. II, III, and IV   D. II and III

Which of the following statements are true of atomic emission spectroscopy (AES)? I. Atoms are promoted to an excited state with a laser. II. Atoms are promoted to an excited state by gaining energy from collisions with other atoms or from the high thermal energy of the flame. III. The intensity of emitted light is proportional to analyte concentration. IV. Plasma often replaces flame in AES   A. III and IV   B. I, III, and IV         C. II, III, and IV   D. II and III

Chemistry
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...
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Which of the following statements are true of atomic emission spectroscopy (AES)?

I. Atoms are promoted to an excited state with a laser.

II. Atoms are promoted to an excited state by gaining energy from collisions with other atoms or from the high thermal energy of the flame.

III. The intensity of emitted light is proportional to analyte concentration.

IV. Plasma often replaces flame in AES

  A.

III and IV
  B.

I, III, and IV      
  C.

II, III, and IV
  D.

II and III
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