English for chemists

Section 1П
Ex. 1. Respond to the following requests and invitations. Use the expressions: with pleasure, here you are, certainly, ofcourse.
1. Shall wc go to the University together? 2. Give me your textbook for some days, please. 3. Will you help me to do the exercise? 4. Please bring me my notebook, you’ll find it on the table. S. Let’s spend Sunday together. 6. Let’s go for a walk after finishing our homework. 7. Have you been to the Russian Museum? Let’s go there with Mary, she knows a lot about Russian art. S. Could you show me the way to the laboratory of organic chcmistry, please?
Ex. 2. Translate the scntcnccs into English.
1. Пойдем завтра в кино? — С удовольствием. 2. Дай мне, пожа­ луйста, ручку на минутку. — Пожалуйста. 3. Приходи ко мне вече­ ром, я дам тебе эту книгу. — С удовольствием. 4. Ты придешь завтра на семинар?— Конечно. 5. Ты не вндел, гае моя тетрадь? — Вот она. 6. Не забудь принести мне эту статью завтра. — Конечно. 7. Помоги мне закончить опыт, пожалуйста. — С удовольствием.
Ex. 3. Make up short dialogues according to the model.
Mod*el: — An alternative question.

— An answer.

Example: — Are you a student or a post-graduate?

— I’m a student.

Ex. 4. Give detailed answers to the following questions:
1. What kind of particle is callcd an atom? 2. What was Dalton’s idea of an atom? 3. What is the difference between Dalton’s and modem theory

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of the atomic structure? 4. In what way did Bohr’s work develop the atomic theory? 5. What relationship is there between an atom and its spectrum?
Ex. 5. Discuss the following topics:

1. 
   The Evolution of the Atomic Theory.
   

2. 
   The Modem Concept of die Composition and Structure of an Atom.
   
3. 
   The Basis for Spectral Analysis.
   

WHAT IS IT?

An optical instrument for forming and examining spcctra.