Theo mẫu nguyên tử Bo, bán kính quỹ đạo K của electron trong nguyên tử hidro là . Khi electron chuyển từ quỹ đạo N về quỹ đạo L thì bán kính quỹ đạo giảm bớt:          

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  I can’t recall _____________ that old movie, but may be I did some years ago.
  
  

• Choose the best answer for the following sentence:

  Is two o'clock this afternoon ____________ for me to pick you up?
   

• I love going by train and I can’t go by car because I got _________.
    

• Choose the best answer for the following sentence:

  The beautiful ship of my ____________ made a good landfall.
  
  

• Choose the best answer for the following sentence:

  Tan:''__________?" 

  Mai: “Yes. I bring in case it rains”
   

• Choose the best answer for the following sentence:

  ________ I was answering the phone, the door bell rang.
  
  

• Choose the best answer for the following sentence:

  I cannot pack all my clothes in ___________ I bought a jumbo-bag.
  
  

• Choose the best answer for the following sentence:

  Peter: “Which seat is the most suitable for Mrs. Andrew?”

  Ben: “I think she should sit Section A.
  
  

• Choose the best answer for the following sentence:

  After arriving, we set our camp ground __________ the leaf bank of the river.
  
  

• Choose the best answer for the following sentence:

  I’m glad ___________ that your first picnic was excellent with your classmates.