Предмет: Химия, автор: sagdatova87

Формулы веществ только с ковалентной полярной связьюВыберите один или несколько ответов:
a. H2
b. PH3
c. HF
d. H2О
e. KBr

Ответы

Автор ответа: tanianfyz2007
0

Ответ:

dcb

это неметаллы разные ,поэтому ковалентная полярная связь

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5. bus, class, glass, dress, piece, slice, horse, house, rose, nose, blouse, box, fox, match, bench, bridge, cage, cottage, bush;
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3. I need (a match).
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5. The professor is reading( a thesis₽.

6. I visited (a city) in the Ukraine.

7. She photographed (a leaf).

8. I caught (a fish₽.

9. I saw (a sheep) in the farmyard.

10. She talked to (a child).

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13. When I was in the park yesterday, I saw (a goose).

14. When we spoke in the cave, we heard (an echo).

15. He packed (a box).

16. Every day I read in the newspaper about (a new crisis) in the world.

17. The wagon is being pulled by (an ox).

18. I told the children a fable about (a wolf) and (a fox₽.

19. We read a story about (an Indian chief).

20. At the meeting last night, we were listening to (a speech).

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