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No kā sastāv vielas?

Authored by Laura Martinova

Science

8th Grade

Used 6+ times

No kā sastāv vielas?
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kāds ir dotā elementa (Stroncijs) simbols?

Sc

Se

Sr

Si

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

No kādiem atomiem sastāv O2?

  • skābekļa

  • hēlija

  • ksenona

  • rādija

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vissīkākās ķīmiski nedalāmās vielas daļiņas sauc par..

elektroniem

  • ciklotroniem

  • pozitroniem

atomiem

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kāda ir Fluora (F) vērtība?

II

I

III

IV

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

No kā sastāv molekula?

atomiem

elektroniem

protoniem

neitroniem

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kāds ir eletronu skaits Silīcijam (Si)?

13

3

14

28

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kāds ir protonu skaits Skandijam (Sc)?

44

21

4

3

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