Валентность и С.О.
8th Grade
•17 Qs
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Валентность и С.О.
Quiz
•
Chemistry
•
8th Grade
•
Hard
валерия озерова
Used 2+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Укажите атомы с постоянной валентностью
Н
Na
Cl
Fe
Al
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Укажите (римской цифрой) валентность фосфора в оксиде P2O3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность Са?
1
2
3
4
4.
MULTIPLE SELECT QUESTION
30 sec • 2 pts
Переменная валентность характерна для атомов элементов
F
Fe
Na
S
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите каким символом обозначается "Железо"
Fe
S
Al
O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность бывает постоянной и переменной
Правда
Ложь
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой из химических элементов имеет постоянную валентность?
Na
Cu
Fe
Mn
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