
ЦТ2015_В5_1-15
Authored by Наталья Германович
Chemistry
11th Grade
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите символ химического элемента:
Cl2
O3
Sn
S8
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Число нейтронов в составе атома 19F равно:
3.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Элемент, атом которого в основном состоянии имеет электронную конфигурацию 1s22s22p63s2 находится в группе ( номер группы - римскими цифрами, и не забудьте указать, А или В подгруппа)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Согласно положению в периодической системе наибольший радиус имеют атомы химического элемента
Li
Be
F
O
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ионная связь имеется во всех веществах ряда
CuBr2, BaCl2, HNO3
Al, CH3COOH, CH4
SO3, K2SO4, NaI
KNO3, (NH4)2S, CH3COONa
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Атомную кристаллическую решетку в твердом агрегатном состоянии образует
Mg
SiC
CaF2
CO2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В атоме химического элемента в основном состоянии электроны распределены по энергетическим уровням следующим образом: 2, 8, 5. Степень окисления в высшем оксиде равна
-3
-5
+5
+3
+2
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