Химия р

Flashcard
•
Chemistry, Science
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
В молекуле кислорода связь:
Back
Ковалентная неполярная
2.
FLASHCARD QUESTION
Front
Степень окисления алюминия:
Back
+3
3.
FLASHCARD QUESTION
Front
Эндотермическая реакция:
Back
2HgO = 2Hg + O2 - 180 кДж
4.
FLASHCARD QUESTION
Front
Валентность щелочноземельных металлов:
Back
II
5.
FLASHCARD QUESTION
Front
К щелочным металлам относятся:
Back
K, Na, Cs, Rb
6.
FLASHCARD QUESTION
Front
Определение ковалентной связи:
Back
Связь, образованная общими электронами между атомами.
7.
FLASHCARD QUESTION
Front
Пример ионной связи:
Back
NaCl (хлорид натрия)
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