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4.GRAĐA TVARI

Authored by M J

Science

7th Grade

Used 7+ times

4.GRAĐA TVARI
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20 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Što je atom?

najmanja čestica elementarne tvari

subatomska čestica

najmanja čestica koja se gradi od molekule

čestica različitih kemijskih elemenata

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Od čega se sastoji atom?

neutrona i elektrona

neparnog broja molekula

protona i neutrona

od jezgre i elektronskog omotača

3.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Vrstu kemijskog elementa određuje...

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tko je predložio današnje kemijske simbole i kada?

Dimitrij I. Mendeljejev, 20.st.

Robert Boyle, 18.st.

J. Jacob Berzelius, 19.st.

Joseph John Thomson, 19.st.

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Napiši značenje: CL

1 atom klora

element klor

atom klora

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tko je sastavio tablicu periodnog sustava elemenata?

Joseph Priestley

Dimitrij I. Mendeljejev

Paracelsus

Ruđer Bošković

7.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Izotopi su...

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