English for chemists

Section III
Ex. 1. Answer the questions. Use the verb take.
1. Do your experiments take much time? 2. Have you taken your exam
in English? 3. When arc you going to take your holidays? 4. Does your friend take interest in chcmistry? 5. When arc you going to take your examination in mathematics? 6. Who took the first prize in swimming? 7. Are you going to take post-graduate studies? 8. Do you take interest in modem music? 9. How long docs it usually take you to get here? 10..How long did it take you to do the exercise? 11. Do you take part in social activity? 12. Have you taken my pen? 13. When did you first think to take up chcmistry as your field?
Ex. 2. Translate the scntcnccs into English.
1. Весной я буду сдавать четыре экзамена. 2. Я слышал, что ваш друг интересуется физикой. 3. Он не интересуется наукой. 4. Завтра у
* all o f the atom s o f one elem ent being identical — причем все атомы одного элемента являются идентичными

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нас ссминар по истории, я должен принять о нем участие. 5. Кто за­ нял второе место по волейболу? 6. Сколько времени у вас занял пере­ вод? 7. Вчера я добрался до университета за 40 минут.
Ex. 3. Make up short dialogues according to the model.
Model: — A special question.

— An answer.

Examples: _1>— What is it?

It is a book.

2) - When did you comc'
— At S o’clock.
Ex. 4. Give detailed answers to the questions.

1. 
   In what way did the idea of the atom change in the coursc of history?
   

2. 
   What scientist stimulated the development of the atomic theory? 3. What do you know about the atomic structure?
   

Ex. 5. Discuss the following topics:

1. 
   Early Atomic Theories.
   

2. 
   The Present Ideas about the Structure of Matter.
   
3. 
   The Most Important Discoveries Concerning the Atomic Structure.
   

WHAT IS IT?

The smallest unit of an element that can take part in a chcmical change.