Cho các nguyên tử O(Z=8), F(Z=9), N(Z=7), S(Z=16) nguyên tử có tính phi kim mạnh nhất là

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Một số câu hỏi khác có thể bạn quan tâm.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Were we to run our own business, we would have been more independent.

• Find a mistake in the four underlined parts of the sentence and correct it:

  I would have saved some food for you if I knew you were going to be late.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Should Tom help us, the job would only take half an hour.

• Find a mistake in the four underlined parts of the sentence and correct it:

  If you slept  better last night, you wouldn’t be so tired now.

• Choose one sentence that has the same meaning as the root one:

  I think you should revise for the exam.
  
  

• Choose one sentence that has the same meaning as the root one:

  You can’t make a cake without flour.
  
  

• Choose one sentence that has the same meaning as the root one:

  The house didn’t burn down because the fire brigade came immediately.
  
  

• Choose one sentence that has the same meaning as the root one:

  If I had been watching the road, I wouldn’t have had an accident.
  
  

• Choose one sentence that has the same meaning as the root one:

  If I spoke English better, I could work in Australia.
  
  

• Choose the word that has the underlined part pronounced differently from the rest:

  accompany             jobless                doctor                  economy