Free Printable Мини тест

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Worksheets

Мини тест

Total questions: 5

Worksheet time: 3mins

Name

Class

Date

1.

Химический знак водорода

a)

O

b)

C

c)

H

d)

S

2.

У кальция атомная масса

a)

40

b)

20

c)

35

d)

65

3.

У кислорода на последнем энергетическом уровне

a)

2 электрона

b)

6 электронов

c)

5 электронов

d)

4 электрона

4.

Сколько периодов в периодические системе ?

a)

10

b)

2

c)

8

d)

7

5.

Сколько электронов на s орбитали ?

a)

14

b)

2

c)

10

d)

6

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