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Сколько не спаренных электронов содержат невозбужденные атомы ртути и йода?
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Предмет:
Химия -
Автор:
sammychaney - 5 лет назад
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Ответы 1
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Hg 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 5d10 - 0 неспаренных электроновI 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p5 - 1 неспаренный электрон
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Автор:
twinklywcis - 5 лет назад
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0
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сколько будет 73-8(124-56)•366
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Напишите эссе с элементами рассуждения. Fast food is very popular and saves time for busy working people. However, many experts say that it is not completely healthy.
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Обясните решение этого неравенства
2/7x>-14-
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Автор:
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2. She ___ e-mails. (not/to write)
3. ___ you ___ English? (to speak)
4. My parents ___ fish. (not/to like)
5. ___ Anne ___ any hobbies? (to have)
6. Andy's brother ___ in an office. (to work)
7. Leroy ___ very fast. (can/not/to read)
8. ___ Jim and Joe ___ the flowers every week? (to water)
9. Yvonne's mother ___ a motorbike. (not/to ride)
10. ___ Elisabeth ___ cola? (to drink)
II. Put the verbs in brackets into Past Simple.
1. I my maths homework yesterday. (to do)
2. Susan to England by plane? (to go)
3. They a farm two weeks ago. (to visit)
4. Jenny and Peggy their brother. (not/to help)
5. The children at home last weekend. (not/to be)
6. When you this wonderful skirt? (to design)
7. My mother into the van. (not/to crash)
8. The boys the mudguards of their bicycles. (to take off)
9. you your aunt last week? (to phone)
10. He milk at school. (not/to drink)
III. Put the verbs in brackets into Future Simple.
1) They _____ football at the institute. (to play)
2) She _____ emails. (not / to write)
3) ____ you____ English? (to speak)
4) My mother ____ fish. (not / to like)
5) ____ Ann ____ any friends? (to have)
6) His brother _____ in an office. (to work)
7) She ___ very fast. (to read)
8) ____ they ____ the flowers every 3 days? (to water)
9) His wife _____ a motorbike. (not / to ride)
10) ____ Elizabeth_____ coffee? (to drink)
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Предмет:
Английский язык -
Автор:
nana37 - 5 лет назад
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