AP QUIZZES - AP TOPIC 3 Electronic Configuration SET A
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QUESTION 1. All of the following are isoelectronic, EXCEPT which species?

(A) Ne
(B) Mg2+
(C) Na+
(D) F-
(E) Ar

QUESTION 2. The first two quantum numbers associated with various electrons are shown below. Which will have the lowest energy?

(A) 6, 0
(B) 5, 0
(C) 4, 2
(D) 5, 1
(E) 3, 2

QUESTION 3. If a photon has frequency = 2.00 x 1014s-1 and the speed of light = 3.00 x 108ms-1, then what is its wavelength?

(A) 1500 nm
(B) 6.00 x 1022 m
(C) 1.5 nm
(D) 6.02 x 1023
(E) 1500 m

QUESTION 4. Which element will the most likely ion of sulfur be isoelectronic with?

(A) He
(B) Ne
(C) Ar
(D) Cl
(E) P

QUESTION 5. Which of the following is NOT possible?

(A) 2p6
(B) 2d5
(C) 3p6
(D) 3s1
(E) 3d7




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