Включаемся в работу после Нового года!
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Таисия Фламель
Used 4+ times
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19 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите элементы-металлы
V
Cr
Na
Si
B
2.
MATCH QUESTION
2 mins • 2 pts
Соотнесите изотоп с количеством нейтронов в его ядре
10
2H
1
1H
7
18O
0
13C
6
12C
3.
REORDER QUESTION
1 min • 1 pt
Расположите подуровни в соответствии с принципом наименьшей энергии (1 - наименьшее значение, 5 - наибольшее)
4s
3s
3p
4p
3d
4.
DROPDOWN QUESTION
1 min • 1 pt
Укажите электронные конфигурации следующих атомов в основном состоянии:
K - (a) ,
Cu - (b) ,
Ni - (c) .
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Выберите атом с наименьшим радиусом
гелий
фтор
водород
литий
6.
REORDER QUESTION
1 min • 1 pt
Расположите водородные соединения в порядке увеличения кислотных свойств их водных растворов
HI
NH3
HBr
HF
HCl
7.
DROPDOWN QUESTION
1 min • 1 pt
Минимальная степень окисления металлов равна (a) , неметаллов - (b) .
Максимальная степень окисления металлов равна (c) , неметаллов - (d) .
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