
Elemente chimice si compusi chimici

Quiz
•
Science
•
6th - 8th Grade
•
Medium

MARIANA HOLCA
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Elementul se numeste:
Hidrogen
Heliu
Calciu
Mageziu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dioxidul de carbon - CO2 este format din:
2 atomi de carbon si 1 atom de oxigen
2 atomi de oxigen si 1 atom de carbon
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al 45-lea element din sistemul periodic este:
Aur
Rhodiu
Argint
Fier
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl (clorura de sodiu) se mai numeste si:
sare amara
sare de bucatarie
piatra iadului
piatra vanata
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simbolul chimic si numarul de masa pentru Calciu este:
40Ca
12C
37Cl
20Ca
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Alegeti metalele din compozitia fertilizatorului pentru plante:, reprezentat in imagine:
;
Fe, Zn, Cu
B, Fe
B, Cu
B,Zn
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre urmatoarele substante nu este un compus.
H2SO4
CO2
Mg
CaCl2
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