
ОГЭ химия
Quiz
•
Chemistry
•
8th - 9th Grade
•
Practice Problem
•
Hard
Used 71+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Химическому элементу, степень окисления которого в высшем оксиде +6, соответствует схема распределения электронов в атоме:
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Общее число электронов в атоме бора равно
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Число электронов во внешнем электронном слое атома, ядро которого содержит 8 протонов, равно
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Неметаллические свойства серы выражены сильнее, чем неметаллические свойства
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
В ряду элементов B - C - N уменьшается
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
В каком ряду химических элементов усиливаются неметаллические свойства соответствующих им простых веществ?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ионной является химическая связь в соединении
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