
Фосфор
Quiz
•
Chemistry
•
9th Grade
•
Hard
Elena Grigalchik
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Верны ли следующие утверждения об атоме фосфора?
А. Атом фосфора имеет три электронных уровня
Б. На внешнем у ровне атома фосфора имеется пять электронов
верно только А
верно только Б
верны оба суждения
оба суждения неверны
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Число электронов в атоме фосфора равно
15
16
31
46
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Фосфор проявляет восстановительные свойства следующими веществами:
натрием
кальцием
кислородом
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Оксид фосфора (V) это:
Основный оксид
Кислотный оксид
Амфотерный оксид
Несолеобразующий оксид
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько электронных слоёв в атоме фосфора.
1
2
3
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