Formule chimice

Formule chimice

Assessment

Assessment

Created by

Aura Nedelcu

Chemistry

1st Grade

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10 questions

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1.

Multiple Choice

30 sec

1 pt

Molecula hidrogenului este formată din

2 atomi

1 atom

2.

Multiple Choice

30 sec

1 pt

Au molecule diatomice

carbonul, oxigenul, fierul

azotul, clorul, oxigenul

3.

Multiple Choice

30 sec

1 pt

Formula chimică a oxidului de magneziu este:

CaO

MgO

4.

Multiple Choice

30 sec

1 pt

Valenţa Carbonului în dioxidul de carbon este:

IV

II

5.

Multiple Choice

30 sec

1 pt

Compusul în care sulful are valenţa IV este:

dioxidul de sulf

trioxidul de sulf

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