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Legaturile chimice

Authored by Elena Cerbusca

Chemistry

10th Grade

Used 3+ times

Legaturile chimice
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Legatura ionica se formeaza intre atomii:

H si Cl

Na si Cl

O si O

H si S

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Legatura ionica se formeaza in compusul:

NO2NO_2  

KF

O2O_2  

H2OH_2O  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ionul de Li+Li^+  s-a format:

La cedare de electroni

La aditionare de electroni

La cedare si aditionare de electroni

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O legatura ionica tipica formeaza fluorul cu:

hidrogenul

sodiul

fosforul

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elementul ____ se gaseste in perioada II si are valenta constanta

azot

carbon

oxigen

siliciu

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Legatura covalenta poate fi polara si nepolara

adevarat

fals

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In nodurile retelei cristaline a clorurei de sodiu sunt amplasati ionii cu sarcini opuse

adevarat

fals

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