Предмет: Химия, автор: volkebanij

запишіть положення арсену у ПС

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Автор ответа: anastasiiafox

0

Ответ:

As - елемен з атомним номером 33, належить до 4-ого періоду, V групи (а підгрупи).

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Запитання 1
Read the information, then read the statements after it and put “T” for true and “F” for false ones.

CHRISTOPHER COLUMBUS

Why did he want to sail west?

Columbus knew that Earth was round, and he thought that he would find a quicker and easier route to the east. He thought that the Earth was smaller than it is, and he did not know about America.

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1) Columbus thought that the world was flat.

варіанти відповідей

True

False

Запитання 2
2) Columbus was trying to reach America.

варіанти відповідей

True

False

Запитання 3
3) The ships were less than thirty-seven metres long.

варіанти відповідей

True

False

Запитання 4
4) Rodrigo Bernajo was the man who first saw land.

варіанти відповідей

True

False

Запитання 5
5) Columbus reached India.

варіанти відповідей

True

False

Запитання 6
6) Columbus never walked on American land.

варіанти відповідей

True

False

Запитання 7
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Some Interesting Facts about Mozart

Among (1) ___ of the classical period, the most productive was Wolfgang Amadeus Mozart (1756 - 1791) of Austria, who wrote about 1,000 operas, operettas, symphonies, violin sonatas, serenades, concertos for piano and many other instruments, of which only 70 were published before he died at the age of 35.

варіанти відповідей

a) composers

b) artists

c) poets

d) politicians

Запитання 8
His (2) ___ La Clemenza di Tito (1791) was written in 18 days, and the symphonic masterpieces, Symphonies No. 39, 40 and 41, were written in the space of 42 days in 1788.

варіанти відповідей

a) novel

b) verse

c) fiction

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Запитання 9
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варіанти відповідей

performance

performer

perform

preformation

Запитання 10
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варіанти відповідей

widest

longest

shortest

thickest

Запитання 11
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варіанти відповідей

discs

tapes

records

tunes

Запитання 12
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варіанти відповідей

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