Trong phân tử HC≡CH, nguyên tử C nằm ở trạng thái nào khi tạo liên kết với H?

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Một số câu hỏi khác có thể bạn quan tâm.

• Blacken the lettre A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:  

  The medicine…………..had no effect at all.         

• Blacken the lettre A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:  

  My bike,……………. I had left at the gate, had disappeared.         

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:

  The book would have been perfect_____ the ending.           

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:

  It's______unique opportunity to see African wildlife in its natural environment.         

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:  

  Mrs. Davies asked me to tell you that she would like______by Friday at the latest.         

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:  

  Tom: “Is there anything interesting_____ the paper today?" Anna: “Well, there’s an unusual picture____ the back page ”         

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:

    _____ we understand his reasons, we cannot accept his behaviour.         

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:

  The______ on the kitchen table.           

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:

  I was tired when you saw me because I____for the exam.         

• Mark the letter A, B, C or D to indicate the correct answer to each of the following questions:   

  His achievements were partly due to the____________ of his wife.