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Simboluri chimice-Atom

Authored by Diana Salagean

Chemistry

7th Grade

Used 201+ times

Simboluri chimice-Atom
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15 questions

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1.

MULTIPLE CHOICE QUESTION

0 sec • 1 pt

simbol chimic FIER

F

Fe

Fi

Fie

2.

MULTIPLE SELECT QUESTION

0 sec • 1 pt

Media Image

Natriu

Sulf

Sodiu

Staniu

3.

MULTIPLE CHOICE QUESTION

0 sec • 1 pt

C -este simbolul chimic pentru............

Cobalt

Calciu

Crom

Carbon

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Cele trei particule subatomice sunt:

Protonul, neutronul, electronul

protonul, neuronul, electronul

nucleul, electronul, protonul

electronul, atomul, neutronul

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Comparativ cu numărul atomic ( Z), numărul electronilor dintr-un atom este:

diferit

mai mic

mai mare

egal

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

În învelișul electronic al unui atom sunt:

ioni

protoni

electroni

neutroni

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Un atom care are simbolul A=14Z=6 C are:

6 protoni,

6 electroni,

6 neutroni

6 protoni,

6 electroni,

8 neutroni

6 protoni,

8 electroni,

6 neutroni

8 protoni,

6 electroni,

6 neutroni

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