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valenta dupa formula chimica

Authored by Aliona Tcacenco

Chemistry

7th Grade

10 Questions

Used 8+ times

valenta dupa formula chimica
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1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

In formula NaCl, clorul are valenta egala cu:

1

2

3

4

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

in imaginea data sulful manifesta valenta egala cu:

6

2

4

1

3.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Media Image

azotul di imaginea alaturata manifesta valenta :

1

2

3

5

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

V II

P O

in formula data indicele oxigenului este:

2

5

10

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

II II

Fe O

In formula data oxigenul are indicele egal cu :

2

1

4

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

suma valentelor in formula alaturata este egala cu:

3

2

6

8

7.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

oxigenul are valenta constanta egala cu:

II

I

VI

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