Formule chimice

25 bonus points

0 successes

English

Acest test este destinat elevilor de clasa a VII-a care doresc să-şi verifice cunoştinţele legate de scrierea corectă a formulelor chimice

Quatropod tear down all your empty pages from your math notebook. Show him who’s in charge.

If you want to save your points and appear in the Kidibot charts, you must be logged in. Create here an acount or login.

Question 1 of 10

1. Question
1 points
Formula chimică a acudului azotic este:
- ${HNO}_{3}$
- $H_{2} {NO}_{3}$
- ${HNO}_{2}$
- $H_{2} {NO}_{2}$
Correct

Incorrect
Question 2 of 10

2. Question
1 points
Notarea corectă a moleculei de oxigen este:
- $2 O$
- $O_{2}$
- $O_{3}$
- $O$
Correct

Incorrect
Question 3 of 10

3. Question
1 points
Formula chimică a oxidului de aluminiu este:
- $AlO$
- ${Al}_{3} O_{2}$
- ${Al}_{2} O_{3}$
- $O_{2} {Al}_{3}$
Correct

Incorrect
Question 4 of 10

4. Question
1 points
Compusul: $K_{2} {CO}_{3}$ se numeşte:
- Carbonat de potasiu
- Tricarbonat de kaliu
- Tricarbonat de azot
- Carbonat de sodiu
Correct

Incorrect
Question 5 of 10

5. Question
1 points
Notaţia: $2 H_{2} {SO}_{4}$ conţine:
- 2 ioni
- 1 atom de sulf
- 8 atomi de oxigen
- 2 atomi de hidrogen
Correct

Incorrect
Question 6 of 10

6. Question
1 points
Substanţa compusă formată din clor şi zinc are formula chimică:
- ${Zn}_{2} Cl$
- ${ZCl}_{1}$
- ${ZnCl}_{2}$
- ${Cl}_{2} {Zn}_{1}$
Correct

Incorrect
Question 7 of 10

7. Question
1 points
Compusul: ${CO}_{2}$ se numeşte:
- Dioxid de carbon
- Carbonat
- Oxid de carbon
- Oxid de calciu
Correct

Incorrect
Question 8 of 10

8. Question
1 points
Formula chimică a hidroxidului de magneziu este:
- $Mg {(OH)}_{2}$
- $M ({OH}_{2})$
- ${Mg}_{2} OH$
- ${HOMg}_{2}$
Correct

Incorrect
Question 9 of 10

9. Question
1 points
Are denumirea tehnică de metan compusul:
- ${CH}_{4}$
- ${NH}_{4}$
- ${NH}_{3}$
- ${CH}_{3}$
Correct

Incorrect
Question 10 of 10

10. Question
1 points
Referitor la substanţa $H_{2} O$ este adevărată afirmaţia:
- Este formată din metale şi nemetale
- Este substanţă simplă
- Este compus ionic
- Este formată din 3 atomi
Correct

Incorrect

Examples of questions from "Formule chimice"

Referitor la substanţa $H_{2} O$ este adevărată afirmaţia:
Compusul: $K_{2} {CO}_{3}$ se numeşte:
Notaţia: $2 H_{2} {SO}_{4}$ conţine:

Pos.	Name	Entered on	Points	Result
Table is loading
No data available

Formule chimice

Quiz-summary

Information

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

Examples of questions from "Formule chimice"

Small Battles

Main Partner:

Supporters:

Average score
Your score

Formule chimice

Quiz-summary

Information

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

Examples of questions from "Formule chimice"

Kidibot recommends you also:

Figuri si corpuri geometrice

Matematica – [879]

Talentata Clementina

Small Battles

Main Partner:

Supporters: