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ponovimo - ELEMENTARNE TVARI

Authored by Karla Matiša

Chemistry

University

Used 102+ times

ponovimo - ELEMENTARNE TVARI
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15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

H2 je...

2 molekule vodika

2 atoma vodika

1 molekula vodika

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Simbol elementa C je...

atom ugljika koji ima atomski broj 12

molekula ugljika u kojoj ugljik ima atomski broj 6

atom ugljika koji ima atomski broj 6

3.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Koje elementarne tvari nemetala dolaze u čvrstom agregacijskom stanju? Napiši njihove nazive abecednim redom.

(a)  

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Oznaka 8 S kvantitativno predstavlja:

Broj atoma sumpora ili 8 atoma sumpora

1 molekulu sumpora

elementarnu tvar sumpor

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Koja vrsta čestica se sastoji od najmanje 2 istovrsna atoma?

kemijski spoj

molekula elementarne tvari

izotop

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

5 Br2 je ...

5 molekula broma

5 atoma broma

10 molekula broma

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

S8 je

8 atoma sumpora

1 molekula sumpora koja sadrži 8 atoma sumpora

1 atom sumpora sa 8 molekula sumpora

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