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What is the electronic configuration of the element with atomic number 30?
What is the electronic configuration of the element with atomic number 30?
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Practice Questions
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Q1
What is the electronic configuration of the element with atomic number 30?
[Ar] 4s2 3d8
[Ar] 4s2 3d10
[Ar] 4s2 3d6
[Ar] 4s2 3d7
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The electronic configuration of Zinc (atomic number 30) is [Ar] 4s2 3d10.
Questions & Step-by-step Solutions
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Q: What is the electronic configuration of the element with atomic number 30?
Solution:
The electronic configuration of Zinc (atomic number 30) is [Ar] 4s2 3d10.
Steps: 7
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Step 1: Identify the element with atomic number 30. This element is Zinc (Zn).
Step 2: Understand that the electronic configuration shows how electrons are arranged in an atom.
Step 3: Recall the order of filling electron orbitals: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, etc.
Step 4: Fill the orbitals according to the Aufbau principle until you reach atomic number 30.
Step 5: The filling order for Zinc is: 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10.
Step 6: Combine the filled orbitals to write the complete electronic configuration.
Step 7: The final electronic configuration for Zinc is [Ar] 4s2 3d10, where [Ar] represents the electron configuration of Argon (atomic number 18).
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