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Formarea ionilor

Authored by Ileana anca Joanta

Chemistry

7th - 9th Grade

Used 16+ times

Formarea ionilor
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8 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

De ce se formeaza ionii

sa aiba viata mai usoara

pentru ca atomii doresc sa aibe 8 electroni pe ultimul strat

ca aiba numar egal de electroni si protoni

sa nu mai aiba neutroni

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Un atom cand primeste electroni va deveni

pozitiv

negativ

neutru

invizibil

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Care este sarcina ionului de sodiu (Na)

+2

+1

-1

-2

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Un atom care accepta electroni va deveni

negativ

pozitiv

neutru

complex

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Daca un element are 3 electroni de valenta ce sarcina va avea ionul format

-2

+3

-3

+2

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Sarcina ionului de oxigen(O) este

-2

+2

-1

+1

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Anionii sunt ioni cu sarcina

pozitiva

negativa

neutra

mare

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