Фосфор
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Проект 32
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Атомный номер фосфора равен ?
13
14
15
16
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какого конфигурация внешнего электронного слоя у фосфора ?
3 s 2 3 р 4
3 s 2 3 р 3
3 s 2 3p 1
2 s 2 2 р 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какие аллотропные модификации существуют у фосфора ?
Белый
Зеленый,красный,Желтый
Белый,красный,черный
красный, фиолетовый, крупнокристаллический.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой фосфор наиболее активен ?
Белый
Красный
Черный
Все одинаковые
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова формула фосфина ?
H3PO4
PH3
P203
P205
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какую форму имеет формула фосфина
треугольная пирамида
треугольник
тетраэдр
квадрат
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