English for chemists

Scction Ш
Ex. 1. Respond to the following statements. Use the expressions: you are right; yes, indeed; probably; you are not quite right; I can Vagree with you.
1.1 hear you arc leaving for Moscow today. 2 .1 think your work was very useful. 3 .1 think it would be better to speak to him. 4. Your results don’t verify your hypothesis. 5. The Iccturc was not very easy to understand.
6. Your sister has just left school, hasn’t she? 7. As far as I know, Niels Bohr was not only a great physicist but a distinguished philosopher as well. 8. If I am not mistaken, you arc very good at sports.
Ex. 2. Translate the sentences into English.
1. Мне кажется, текст о молекулах совсем легкий. — Да, ты прав он легче других текстов. 2. Мне говорили, что вы больны, а вы пришли на занятия.— Да, конечно, мне следует пойти домой. 3. Студенты вашей группы мало работают.— Вы не совсем правы, мы выполняем все, что необходимо. 4. В его работе много ошибок. — Не могу согласиться с вами, в его работе только одна серьезная ошибка. S. Он скоро придет?
— Вероятно. Он говорил, что придет к началу. 6. Вам надо повторить эксперимент.— Да, конечно, во вторник я сделаю всс еще раз.

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Ex. 3. Make up short dialogues according to (he model.
Model: — A disjunctive question.

— An answer. (+, -)

Example: — You are a student, aren’t you?
— Yes, I am. / No, I’m not.
Ex. 4. Give detailed answers to the questions.
1. What is a molcculc? 2. What determines the properties of molcculcs? 3. What kind of molcculcs arc there? 4. In what way can the molcculcs be investigated? 5. What is the difTcrcncc between the molcculcs of elements and compounds.
Ex. 5. Discuss the following topics:

1. 
   Kinds of Molcculcs.
   

2. 
   Molccular Composition and Structure.
   
3. 
   Definition of a Molcculc.
   

WHAT IS IT?

The smallest particlc of matter that has the same chcmical properties as the whole mass.