3. Fill in the blanks with the proper articles:

1. In chemistry, … metal (Greek: Metallon) is … element that readily forms ions (cations) and has metallic bonds.

2. On … periodic table, … diagonal line drawn from boron (B) to polonium (Po) separates … metals from … nonmetals.

3. … more modern definition of metals is that they have overlapping conductance and valence bands in their electronic structure.

4. … alkali metals react quickest followed by … alkaline earth metals, found in … leftmost two groups of … periodic table.

4. Make up sentences using the following words:

1. to, transition, metals, take, The, much, longer, oxidise.

2. properties, An, alloy, a, mixture, contains, with, metallic, one, that, at, least, metal, element, is.

3. elements, more, in, nature, than, Nonmetal, are, metallic, elements, are, abundant.

4. alloys, Examples, of, steel, brass, and, bronze, duralumin, are .

5. that, are, sonorous, which, they, also, conduct, sound, well, Metals, means.

5. Make up dialogues using the following word-combinations:

1. Let’s, why not, a good idea, I’d like to, I always wanted to, perfectly, thanks, I don’t mind to, I’m afraid I can’t.

2. Shall we go to the welding exhibition?

3. Will you go with me?

4. I don’t feel like going now.

5. We can study a very interesting material there.

6. Are you interested in metals and welding?

Metals	are	elements that readily forms ions. also sonorous. chemically unstable.
Alloys		mixtures that contain at least one metal element.
Non-metals		more abundant in nature.
Allotropes		lustrous, ductile, malleable.

6. Make up sentences:

7. Answer the following questions:

1. What is metal in chemistry?

2. Is the metals one of the three groups of elements?

3. What is the place of metalloids on the periodic table?

4. What metals are the most well known?

5. Does the modern definition of metals open up the category for metallic polymers and other organic metals?

6. Are painting and anodising good ways to prevent metal corrosion?

7. What is sonority?

8. The oxides of metals are basic, aren’t they?

9. Are the oxides of nonmetals acidic or basic?

10. Where is the term “metal” often used to refer to any element other than hydrogen or helium?

8. Put the infinitives in brackets into the right tense according to the rules of Sequence of Tenses:

1. We have heard that this lecture (to be) very interesting.

2. My sister told me that in an hour she (to go) to the institute.

3. I thought he (to see) this new film.

4. I didn’t know that the conference (to start) at 5 o’clock.

5. She told us that the new words (to be + to give) before every new text.

6. My friend said that he (to like) mathematics and physics best of all.

7. The teacher said that the lesson (to begin) in a minute.

9. Translate into English:

1. I noticed(що вона дивиться на мене).

2. We knew(що вона не повернеться).

3. My mother said (що вона просто не знає що робити).

4. My only hope is(що хтось знайшов мої ключі та залишив їх унизу).

5. Then you’ll be sorry(що не розмовляєте французькою).

6. He asked me(що я буду робити в неділю ).

7. It became quite evident(що сталося щось погане).

8. The room was in darkness(Хтось вимкнув світло.).

9. The interesting point was(що ніхто не бачив машину).

10. He promised (що все буде зроблено).