REGULAR QUIZZES - REGULAR TOPIC 10 Electronic Configuration & Periodicity SET B
REGULAR Quizzes - REGULAR TOPIC 10 Electroic Configuration & Periodicity SET B.
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QUESTION 1. How many occupied outer shell orbitals does an Arsenic atom possess?
(A) 9
(B) 5
(C) 4
(D) 3
(E) 18
QUESTION 2. Consider the element, Mo. How many 3d electrons in one atom of Mo?
(A) 4
(B) 5
(C) 1
(D) 10
(E) None of the Above
QUESTION 3. Consider the element, Mo. How many unpaired electrons in one atom of Mo?
(A) 0
(B) 1
(C) 2
(D) 5
(E) 6
QUESTION 4. Consider the element, Mo. How many p electrons in one atom of Mo?
(A) 6
(B) 12
(C) 18
(D) 24
(E) 30
QUESTION 5. Given that when they form ions transition metals lose their s elctrons first, the electronic configuration of Fe
3+
is?
(A) [Ar] 4s
2
3d
5
(B) [Ar] 4s
2
3d
3
(C) [Ar] 4s
1
3d
4
(D) [Ar] 4s
0
3d
5
(E) [Ar] 4s
0
3d
6
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