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определите тип химической связи в оксиде натрия и хлориде калия
Ответы 3
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правильно ?
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Автор:
green giantzwbj - 5 лет назад
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0
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Спасибо
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Автор:
snoop - 5 лет назад
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0
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Na2O - оксид натрия
KCI - хлорид калия
В обоих соединениях ионный тип химической связи.
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Автор:
amberlopez - 5 лет назад
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0
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Помогите пожалуйста и напишите так- 1.- ответ
2.-ответ. Буду очень благодарен.
Task 1 Read the story and fill in the spaces. Once a philosopher was traveling down a river in a small boat. While he 1_________________(cross) the river he 2___________________(ask) the boatman:” 3_________ you ever ___________(hear) about Philosophy?” “No”, 4_______________(say) the boatman. “I 5_________________(hear) about it. What 6__________(be) it?” “I 7________________(be) sorry for you, indeed,” replied the learned man, “you 8________________(lose) a quarter of your life as it’s a very interesting science!” Several minutes later the philosopher asked the boatman another question: “9_______you ____________(hear) about Astronomy, when you 10_____________(be) at school?” “No, I11_______________(leave) school many years ago and I 12________________________(forget) all about it”- was the answer. To this the philosopher answered that he 13)__________________(be) really sorry for the man, and he 14__________(think) that the boatman15_________________(lose) a second quarter of his life.Some minutes passed and the passenger again 16____________________(wonder) if the man ever 17__________________(hear) about Algebra. And the man 18__________(have to) admit that he 19______never ____________(know)anything about it. “In that case you certainly 20____________(lose) a third quarter of your life!” said the scientist.At that very moment the boat struck on a big stone. The boatman jumped and cried: “21_____you ever__________(learn) to swim?” “No,” was the answer. The boatman 22________(explain) sadly to the philosopher that he 23_______________(be) sure the scientist 24________________(lose) his whole life as the boat 25________________________(sink).-
Предмет:
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Автор:
alan60 - 5 лет назад
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