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Subject - Chemistry:

Basics

MCQ - 59-2245

Question:

Which one of the following represents the configuration of the three electrons of highest energy for the ground state of an element in Group III?

  1. 1s2, 2s1
  2. 1s1, 2s1, 2p1
  3. 2s1, 2p2
  4. 1s1, 2s1, 2p1
  5. 4s2, 4p1

Correct Answer: E

Explanation:

Group III element has 3 valence electrons, ns2 np1. These electrons therefore are the 3 electrons with the highest energy.

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645 MCQ for effective preparation of the test of Basics of Chemistry section.

Read the MCQ statement: Which one of the following represents the configuration of the three electrons of highest energy for the ground state of an element in Group III?, keenly and apply the method you have learn through the video lessons for Basics to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 59-2245.

How to Answer

Solve the question for MCQ No. and decide which option (A through D/E) is the best choice to answer the MCQ, then click/tap the blue button to view the correct answer and it explanation.

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