Проверка дз
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Easy
Maria Azyavchikova
Used 1+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Количество электронов в атоме железа?
26
55
56
4
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Атом какого элемента имеет слоение электронных слоев согласно схеме: 2е,8е,5е
N
P
As
H
3.
FILL IN THE BLANK QUESTION
1 min • 2 pts
Атом какого химического элемента на втором электронном слое имеет 4 электрона (укажите химический символ)
4.
DRAW QUESTION
3 mins • 1 pt
Изобразите схему строения атома бора

5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Количество валентных электронов в атоме магния:
6.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
К какому(им) атому(ам) нельзя применить понятие "валентные электроны"?
Ne
Be
K
Li
He
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