⇦ | ⇨ |
The set of quantom number for 19th electrons of chromium(Z=24) is
Options
(a) 4,0,0,+½
(b) 4,1,-1,+½
(c) 3,2,2,+½
(d) 3,2,-2,+½
Correct Answer:
4,0,0,+½
Explanation:
(Z= 24) ≡ 1s²,2s²,2p⁶,3s²,3p⁶,4s¹,3d⁵
For 19th electron (i.e.,4s¹)
n=4,n /=0, m=0, s= +½
Related Questions: - The solubility product of AgI at 25⁰C is 1.0 ˣ 10⁻¹⁶ mol² L⁻².
- How many moles of lead (II) chloride will be formed from a reaction between
- Which is the amount of chlorine evolved when 2 amperes of current is passed for
- An aqueous solution of sodium sulphate is electrolysed using inert electrodes
- which of the following non-metal possesses the atomicity double than that
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The solubility product of AgI at 25⁰C is 1.0 ˣ 10⁻¹⁶ mol² L⁻².
- How many moles of lead (II) chloride will be formed from a reaction between
- Which is the amount of chlorine evolved when 2 amperes of current is passed for
- An aqueous solution of sodium sulphate is electrolysed using inert electrodes
- which of the following non-metal possesses the atomicity double than that
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply