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Homework Help: Periodic table - certain no. of atoms in the 1st 4 rows

  1. Jan 2, 2017 #1
    1. The problem statement, all variables and given/known data
    Explain why the first four rows of periodic table have 2, 8, 8 and 18 atoms respectively

    2. Relevant equations
    I have a feeling this has something to do with the central field approximation OR the s, p, d, f orbitals and how many electrons can go in each OR something else

    3. The attempt at a solution
     
  2. jcsd
  3. Jan 2, 2017 #2

    BvU

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    Science Advisor
    Homework Helper
    2017 Award

    Hello Ivana, :welcome:

    What is the context of your question ? Did you learn about the subjects that you have a feeling have to do with this exercise ?
    How may electrons can go in an s orbital ? And in a p orbital ?

    PS PF guidelines require a real attempt at solution, i.e. a bit more than "a feeling". So pick one and work it out ! :smile:

    PS I'm sorry to see your first thread petered out altogether...
     
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