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Atom

Authored by Tatjana Varagic

Chemistry

7th Grade

Used 1+ times

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5 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Reč atom je grčkog porekla i potiče od grčke reči "atomos!" što znači:

nedeljiv

male veličine

deljiv

deo makrosveta

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Osnovni delovi atoma su:

Jedro i elektronski omotač

Protoni i neutroni

Jezgro i elektronski omotač

Nukleoni i elektroni

3.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Subatomske čestice atoma su:

joni

protoni i neutroni

molekuli

elektroni

4.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Media Image

Razvojem hemije kao nauke u 19. veku nastaju nove predstave o atomima kao što su:

Tomsonov "model jagode"

Raderfordov "Orbitalni model"

Tomsonov "model jabuke"

Raderfordov "Planetarni model"

5.

FILL IN THE BLANKS QUESTION

20 sec • 1 pt

Koliko je puta masa elektrona manja od mase protona i neutrona?

(a)  

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