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Строение атома, Периодический закон, СО

Authored by Полина Сидоровская

Chemistry

8th Grade

Used 3+ times

Строение атома, Периодический закон, СО
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Степень окисления азота в Mg(NO2)2

+5

+3

+1

-3

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

У кого наибольшая электроотрицательность?

O

S

Se

Te

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

У кого наименьший радиус атома?

Ca

Sr

Ba

Ra

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Степень окисления фосфора в Cu3P2

+3

+1

+2

-3

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

У кого наибольшие окислительные свойства?

Сl

S

P

Si

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Заряд ядра у Al

+3

+27

+13

-3

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Число протонов у калия

39

1

19

4

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