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Which of the following elements has the electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2?

Practice Questions

1 question
Q1
Which of the following elements has the electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2?
  1. Ca
  2. Ar
  3. Kr
  4. Xe

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following elements has the electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2?
Solution: Calcium (Ca) has an atomic number of 20, and its electronic configuration is 1s2 2s2 2p6 3s2 3p6 4s2.
Steps: 0

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