
ДИАГНОСТИКА 2025
Authored by Елена Музок
Chemistry
11th Grade
Used 4+ times

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38 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Формулы только простых веществ указаны в рядах:
NaBr, H3BO3
O3, Br2
O3, B2O3
P4, S8
B, B2O3
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
В периодической системе в одном периоде находятся металлы:
Медь
Селен
Калий
Сера
Кальций
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Число нейтронов в нуклиде 17N равно:
15
14
11
10
7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Электронная конфигурация [Ne]3s1 соответствует основному состоянию атома элемента:
В
Na
P
Cl
F
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Среди предложенных элементов неметаллические свойства наиболее выражены у:
С
В
Si
Be
Al
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Оксиду фосфора (V) соответствует кислота, формула которой:
РН3
НРО3
НРО2
Н3РО3
Н3РО2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ионное строение имеет вещество:
Сероводород
Фосфорная кислота
Формиат калия
Литий
Оксид кремния (IV)
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