
Химия. 7 класс. Строение атомов.
Quiz
•
Chemistry
•
7th Grade
•
Medium
Elmira Akimova
Used 25+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Никель широко используется в промышленности для изготовления нержавеющей стали .Никелевые покрытия защищают металл от коррозии. Укажите символ химического элемента никеля:
N
Nb
Na
Ni
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Карбонат кальция CaCO3 встречается в природе в составе мела, известняка ,мрамора. Укажите молярную массу карбоната кальция:
40
44
100
136
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Сколько атомов входит в состав молекулы воды?
один
два
три
в состав молекулы входят не атомы,а ядра атомов
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Укажите оксид:
H2SO4
CaO
ZnCl2
KOH
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Каким символом обозначается АЗОТ?
Р
Н
C
N
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Выберите самый распространенный химический элемент во Вселенной
С
Н
Si
О
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Сколько всего химических элементов открыто человеком?
34
118
120
110
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