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Английский английский английский

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Ответ:
irinamiller93
irinamiller93
24.04.2020 09:50
1)2 Where does he live?
3 Where did you go last Sunday?
4 How many times do you usually go on holidays?
5 What she does on Friday nights?
6 How many students are there in your class?
2)2 We decided to stay up all night but a sleep fell after a few hours.
3 I finished my degree last year and then traveled around Canada for six years.
4 She went shopping on Thursday but she didn’t get much.
5 He smiled at her and then helped her get into the taxi.
6 I was very happy when they said they liked my food.
3)1b
2h
3f
4g
5c
6e
7d
8a
4)2 She hadn’t (got) a boyfriend...
3 They got on a course...
Простоте, но остальное я не смогла сделать;(
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Ответ:
маша111221
маша111221
14.10.2022 06:57
 1. Dmitri Mendeleev developed the concept of the periodic repetition of properties.
2. There are 8 columns in the periodic table. In each column, elements are arranged by the same properties, such as the same orbital arrangement of electrons.
3. Mendeleev predicted properties of yet undiscovered (missing) elements and left empty spaces for them in the table.
4. There are natural groupings between the elements that are closely related to each other.
5. In order to understand better these natural groupings, chemists have tried to fit the elements into a single plan.
6. John Ncwlands made one of the first attempts to fit the relationships among the elements by suggesting the Law of Octaves.
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