Question detail
Which of the following electron configurations corresponds to a p block element?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Periodicity
Question
- A. [Ne] 3s2
- B. [Ar] 4s2 3d10 4p1
- C. [Kr] 5s2 4d10
- D. [Xe] 6s2
Answer
[Ar] 4s2 3d10 4p1
Explanation
The electron configuration [Ar] 4s2 3d10 4p1 ends in p, indicating that it is a p block element, which is found on the right side of the periodic table.
Common mistake
Misunderstanding Block Classification
Students often confuse the block classification of elements with their position in the periodic table, failing to link it to the electron configuration.
To correctly classify elements, remember that the block (s, p, d, f) corresponds to the highest energy sublevel that is being filled. For example, elements in the s block have their outermost electrons in the s sublevel. Use the periodic table to identify the block and then write the electron configuration to confirm.
Related flashcards
Flashcard 1 of 5
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.