Free Printable Atomul

Free Printable Worksheets

Worksheets

Atomul

Total questions: 5

Worksheet time: 3mins

Name

Class

Date

1.

Nucleul conține:

a)

electroni

b)

protoni

c)

ioni

2.

Atomul are sarcină electrică

a)

pozitivă

b)

negativă

c)

neutră

3.

În învelișul electronic se află:

a)

electronii

b)

protonii

c)

neutronii

4.

Al 2-lea strat electronic este:

a)

K

b)

L

c)

M

5.

Pe stratul K se pot plasa

a)

2 electroni

b)

8 electroni

c)

4 electroni

100 %

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