
Фосфор 8 клас Росток
Authored by Сергій Примаченко
Chemistry
8th Grade
Used 1+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Який атомний номер фосфору?
15
14
16
17
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В якій групі періодичної таблиці знаходиться Фосфор?
VA
IIA
VIIA
IIIB
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Скільки валентних електронів має атом фосфору?
5
3
6
8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Який найпоширеніший ступінь окиснення фосфору в сполуках з металами та воднем?
-3
0
+3
+5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка хімічна формула кальцій ортофосфату?
Ca3(PO4)2
Ca(PO3)2
Ca2P2O7
CaHPO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка молекулярна формула білого фосфору?
P4
P2
P3
P5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Який запах у білого фосфору?
Схожий на часник
Солодкий
Без запаху
Рибний
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