Một nguyên tử có 17 electron. Số phân lớp electron của nguyên tử này là

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  White has always been considered a(n) __________ of purity in Western cultures.
   

• Choose the best answer for the following sentence:

  The Amazon rainforest offers us such a biological _____________.
   

• Choose the best answer for the following sentence:

  His decision merited the ___________ of any sensible person.
   

• Choose the best answer for the following sentence:

  He developed his own project in ____________ with some Australia experts.
   

• Choose the best answer for the following sentence:

  She spent all the weekend choosing and ____________ up the Valentine's presents.
   

• Choose the best answer for the following sentence:

  Last night they gave every __________ of enjoying themselves at the party.
   

• Choose the best answer for the following sentence:

  John asked Julie to marry him but she ___________ him down.
   

• Choose the best answer for the following sentence:

  On entering his old house, I _________ my head on a low beam.
   

• Choose the best answer for the following sentence:

  They took away his freedom and broke his ____________.
   

• Choose the best answer for the following sentence:

  We use __________ to attack or to fight against other people.