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Which of the following elements belongs to the same group as the element having configuration 1s2 2s2 2p1
  • a)
    E: (1s2 2s2 2p6 3s2 3p6 4s2)
  • b)
    (1s2 2s2 2p6 3s2 3p3)
  • c)
    (1s2 2s2 2p6 3s2 3p1)
  • d)
    (1s2 2s2 2p6 3s2 3p5)
Correct answer is option 'C'. Can you explain this answer?

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Ciel Knowledge
Feb 23, 2022
Related Which of the following elements belongs to the same group as the element having configuration 1s22s22p1​a)E: (1s22s22p63s23p64s2)b)(1s22s22p63s23p3)c)(1s22s22p63s23p1)d)(1s22s22p63s23p5)Correct answer is option 'C'. Can you explain this answer?
The electronic configuration of B is 1s2 2s2 2p6 3s2 3p1 and the number of electron in last p orbital is 1 so it belongs to the same group as element with configuration (1s2 2s2 2p1).

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Related Which of the following elements belongs to the same group as the element having configuration 1s22s22p1​a)E: (1s22s22p63s23p64s2)b)(1s22s22p63s23p3)c)(1s22s22p63s23p1)d)(1s22s22p63s23p5)Correct answer is option 'C'. Can you explain this answer?
Now see..the first one if u add all the electrons u will get 20 means Ca, similarly the others 15 is P , 13 is Al and 17 is Cl respectively...now the question mentioned configuration 1s^2 2s^2 2p^1 is B( boron)..check the modern periodic table..u will find Al n B is in the same group where the others belong to other group..so the answer is option c..first u take ur chemistry book out and check the elements names, I described ..u will easily at a glance find the answer...Thank You!! Hope I could help you!!:-)

User2408930
Sep 27, 2018
C is the answer because in outer most shell of 1s^2 2s^2 2p^1
is 1 electron and also in 1s^22s2 2p6 3s2 3p1 has 1 electron in their outer most shell. so they are belonging through same group

Question Description
Which of the following elements belongs to the same group as the element having configuration 1s22s22p1​a)E: (1s22s22p63s23p64s2)b)(1s22s22p63s23p3)c)(1s22s22p63s23p1)d)(1s22s22p63s23p5)Correct answer is option 'C'. Can you explain this answer? for Class 11 2022 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Which of the following elements belongs to the same group as the element having configuration 1s22s22p1​a)E: (1s22s22p63s23p64s2)b)(1s22s22p63s23p3)c)(1s22s22p63s23p1)d)(1s22s22p63s23p5)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2022 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following elements belongs to the same group as the element having configuration 1s22s22p1​a)E: (1s22s22p63s23p64s2)b)(1s22s22p63s23p3)c)(1s22s22p63s23p1)d)(1s22s22p63s23p5)Correct answer is option 'C'. Can you explain this answer?.
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The electronic configuration of B is 1s22s22p63s23p1andthe number of electron in last p orbital is 1 so it belongs to the same group as element with configuration (1s22s22p1).