MULTIPLE CHOICE hnse the one aseenative the ane ahernative thst best completes t

Question

MULTIPLE CHOICE hnse the one aseenative the ane ahernative thst best completes the 1) The wavelength of lighht 8) 25.0 C) 2.5 1D) 2.50 x 10- E) 0.0400 is the frequency (-l) of electromagnetic radiation that has a wavelength of A) 1.6 x 10 B) 5.7 x 10 C) 1.3 x 1033 D) 1.8 x 10-9 E) 1.3 x 10-33 3) Which set of three quantum numbers (n. I, mp) corresponds to a Jd orbitsa A) 2, 1, 0 B) 3,3,2 C)2.3, 3 D) 3,2.2 E) 3,3,3 4) Which one of the following represents an acceptable set of quantum atom? (arranged as n, 1, m, and m A) 3, 3, 3, 1/2 B) 3, 3, 3, -1/2 D) 2, 2,-1,-1/2 E) 5, 4,-5, 1/2 5) 5) Which of the following is a valid set of four quantum mumbers? in, 1, ml. ms A) 2, 2, 1, -1/2 6) E) 36 6) The second shell in the ground state of atomic argon contains D) 18 C) 8 A) 2 7) The ground state electron configuration of Fe is A) 1s22s22p63823p64s2 B) 1s2s23823p10 C) 1s22s22p63s23p63a64s2 D) 1s22s22p63s23p64s24d6 E) 1s22s23s23p63d6

Explanation / Answer

1) Since, wavelength = speed of light / frequency

= 3 x 10^8 ms-1 / (1.2 x 10^13 s-1)

=2.5 x 10^-5 m

So, option D is the correct choice.

2) since, frequency = speed of light / wavelength

= 3x 10^8 ms-1 / 0.53 m

= 5.7 x 10^8 s-1

So, option B is the correct choice.

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