
Na_Cl
Authored by Rădița Palela
Chemistry
9th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sodiul are simbolul
S
So
N
Na
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sodiul este un
metal
nemetal
semimetal
gaz
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Clorul are simbolul chimie
C
Cl
Co
Ca
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Clorul este un
metal
nemetal
semimetal
solid
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sodiul datorită reactivității sale se păstrează în:
apă
petrol
acetonă
în aer liber
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Clorul este
este gaz
este un gaz, galben-verzui, sufocant, toxic
este un lichid incolor, solubil în apă
este un solid, alb-argintiu, care reacționează violent cu apa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na este
un gaz sufocant
un solid, alb-argintiu, ce prezintă luciu metalic în tăietură proaspătă
un metal auriu, moale, care nu reacționează cu apa
un semimetal, cu densitatea mai mică decât apa
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