

Щелочные металлы
Presentation
•
Chemistry
•
2nd - 3rd Grade
•
Hard
Сергей Мизин
Used 2+ times
FREE Resource
6 Slides • 5 Questions
1
2
3
Multiple Choice
Какой из этих металлов самый сильный восстановитель?
Li
Rb
K
Cs
4
5
Multiple Choice
Какой из этих металлов имеет наименьшую температуру плавления?
Cs
Na
Li
Rb
6
7
Fill in the Blanks
В какой цвет окрашивает пламя натрий?
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8
9
Multiple Choice
Закончите правую часть уравнения реакции лития с водой
= Li2O +H2
= 2LiOH + H2
= LiO2 +O2
= LiH +O2
10
11
Multiple Choice
Закончите правую часть уравнения реакции
NaOH + HNO3 =
= NaNO3 +H2O
= NaNO2 +H2O
Na2O + H2O
NaH +NO2
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