
Щелочные металлы
Quiz
•
Chemistry
•
9th Grade
•
Medium

Арина Сергеевна
Used 1+ times
FREE Resource
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько электронов содержат на внешнем энергетическом слое щелочные металлы.
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Атому натрия соответствует строение:
2е,8е,1е
2,9е.2е
2е,8е,3е
2е,8е.8е.1е
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
В химических реакциях щелочные металлы проявляют:
Окислительные свойства
Кислотные свойства
Восстановительные свойства
Основные свойства
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
При взаимодействии лития с кислородом образуются:
Пероксид лития
Оксид лития
Гидроксид лития
Гидрид лития
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой из металлов имеет больший радиус атома:
литий;
натрий.
калий;
рубидий
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
На воздухе легче всего окисляется:
натрий;
литий;
рубидий;
калий
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой из металлов наиболее сильный восстановитель:
алюминий;
Магний;
Натрий
кальций
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