Problem: Write the electron configurations for the following atoms or ions:a. B3+b. O–c. Cl3+d. Ca2+e. Ti

FREE Expert Solution

a. Electron configuration for B3+


  • atomic number = number of electrons = 5


  • lost 3 electrons 
  • number of electrons = 5 - 3 = 2

Aufbau Principle totally fill in the lowest energy orbital first
Hund’s Rule
 electron orbitals that are degenerate (same energy) are first half-filled before they are totally filled   

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Problem Details

Write the electron configurations for the following atoms or ions:

a. B3+

b. O

c. Cl3+

d. Ca2+

e. Ti

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Electron Configuration concept. You can view video lessons to learn Electron Configuration. Or if you need more Electron Configuration practice, you can also practice Electron Configuration practice problems.

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Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.