Easy Chemistry Class 11 Level 4

Oxygen has atomic number 8. What is its electronic configuration?

Oxygen का atomic number 8 है। इसकी electronic configuration क्या होगी?

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Correct Answer

A. 1s2 2s2 2p4

Explanation

Step 1: This is an easy application of the Aufbau filling rule. Step 2: Oxygen's 8 electrons are filled as 1s2 2s2 2p4. Step 3: Exam tip: fill 1s first, then 2s, then 2p.

Step 1: यह Aufbau filling rule का easy application है। Step 2: Oxygen के 8 electrons 1s2 2s2 2p4 रूप में भरते हैं। Step 3: परीक्षा टिप: पहले 1s, फिर 2s, फिर 2p भरें।

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