Igcse Model Questions Vol1 2019 Chemistry Question 34

Practice objective / multiple choice question 34 from the 2019 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2019 Chemistry Objective / Multiple Choice Easy Difficulty
Question 34 IGCSE_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • objective

An element has atomic number 29. Write its ground‑state electron configuration using the Aufbau principle (show the distribution of electrons among shells and subshells).

Answer Options

Correct Answer A. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 3d^{10}
B. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 3d^9
C. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10}
D. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^9
Correct Answer
A
Correct Option:
1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 3d^{10}

About This Question

This is Igcse Model Questions Vol1 2019 Chemistry Question 34. It is one of the objective questions from the 2019 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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