4.GRAĐA TVARI
Authored by M J
Science
7th Grade
Used 7+ times
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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
Od čega se sastoji atom?
neutrona i elektrona
neparnog broja molekula
protona i neutrona
od jezgre i elektronskog omotača
3.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
Vrstu kemijskog elementa određuje...
(a)
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 BLANKS QUESTION
20 sec • 1 pt
Izotopi su...
(a)
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