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8 класс 15.02

Authored by Юлия Дервис

Chemistry

7th Grade

Used 4+ times

8 класс 15.02
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10 questions

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1.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Заряд ядра 20 у (a)  

2.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Заряд ядра 47 у (a)  

3.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Максимальная валентность фосфора

(a)  

4.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Число протонов селена

(a)  

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Число электронных слоев в атоме магния

(a)  

6.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Число электронных слоев в атоме углерода

(a)  

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Число электронов в атоме осмия

(a)  

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