Model: —
A disjunctive question.
—
An answer. (+, -)
Ex. 3. Make up short dialogues according to (he model.
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 o f
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.
Достарыңызбен бөлісу: