Ребята! Давайте попробуем подготовиться к экзамену по английскому языку и узнаем много полезной информации о химических элементах.
Преобразуйте, если необходимо, слова в скобках, так чтобы они грамматически и лексически соответствовали содержанию текста.
1. Fluorine is a chemical ………. (elemental) that is very important.
2. It…………. (to belong) to the group of elements called halogens.
3. Fluorine ………… (know) for its extreme reactivity with other substances.
4. Because of this, it is very ……………(danger) to handle.
5. In its gaseous form, it ………… (to have) a pale-yellow color.
6. Fluorine is the most ……………(oxidize) agent of all elements.
7. This chemical can be found in ………. (natural), in some rocks.
8. Its high …………. (electronegative) helps it form strong bonds with other atoms.
9. Fluorine is also used to make Teflon for ………. (to cook) pans.
10. It can be found in …………. (vary) minerals on Earth, like fluorite.