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Recapitulare Anorganica

Authored by Bianca Kertesz

Chemistry

9th Grade

Used 3+ times

Recapitulare Anorganica
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Din ce este format atomu?

electroni si nucleoni

protoni si neutroni

electroni si protoni

electroni si neutroni

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Din ce este format nucleul?

neutroni

protoni

electroni

nucleoni

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simbolul protonilor este......?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sarcina electronilor este......?

pozitiv

neutru

negativ

nu are sarcina

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cum se noteaza numarul de masa?

A

N

Z

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cum se noteaza numarul atomic?

A

N

Z

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este formula prin care se determina numarul de masa A?

A=N+Z

A=N-Z

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