Task 1. Read the text and fill in the gaps using the words from the table. lakes
fifty
trees
river
waterfalls
fish
mountains
w
Hi! My name is Jack. Visiting a river site is one of my most favourite things to do during the
summertime. The I visited, was located about kilometres away from my
hometown in the countryside. It was great! There were a number of restaurants and café. I
friends stayed at a hotel which was very close to the waterfalls. There were also
many beautiful_trees and
I
I also walked on the sandy bank of the
river and i was surprised when my friends took a fish-rod for fishing. I swam every day.
Also we climbed the
It was a wonderful holiday.
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zebra60

24.09.2022

Hi! My name is Jack. Visiting a river site is one of my most favourite things to do during the

summertime. The lakes I visited, was located about fifty kilometres away from my

hometown in the countryside. It was great! There were a number of restaurants and café. I

friends stayed at a hotel which was very close to the waterfalls. There were also

many beautiful mountains trees and waterfalls

I also walked on the sandy bank of the

river and i was surprised when my friends took a fish-rod for fishing. I swam every day.

Also we climbed the mountains It was a wonderful holiday.

and my

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Ответ:

NikiMimi98

24.09.2022

1) Положение химического элемента в периодической системе элементов Д.И. Менделеева:
а) порядковый номер; 11. находится в 3 периоде, в IА группе
б) заряд ядра атома; +11
в) относительная атомная масса химического элемента; 23
2) Строение атома
а)число протонов - 11; число электронов - 11, число нейтронов - 12
б) число электронных уровней в атоме - 3
3) Электронная и электронно-графическая формулы атома, его валентные электроны.
Na +11 )2)8)1
1s22s22p63s1
4) Тип химического элемента - металл. s-элемент
5) . Формулы высшего оксида и гидроксида химического элемента, характеристика их свойств (основные, кислотные или амфотерные).
Na2O, NaOH, основные свойства
6) Сравнение металлических или неметаллических свойств химического элемента со свойствами элементов-соседей по периоду и подгруппой.
Проявляет более сильные восстановительные св-ва, чем литий и магний, но менее вост., чем калий.
7) Максимальный и минимальный степени окисления атома. +1, 0

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