
LEGĂTURI CHIMICE - PARTEA III
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Medium
IRINA MARIN
Used 3+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Substanţa care conţine şi legături covalent-coordinative are formula chimică:
NH3
NH4Cl
H2O
CaCl2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Clorura de sodiu:
conduce curentul electric în stare solidă
este solubilă în tetraclorură de carbon
conduce curentul electric în stare topită
este insolubilă în apă
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Legătura ionică se realizează prin transfer de electroni
A
F
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În condiţii standard de temperatură şi de presiune apa este lichidă
A
F
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În aceleași condiții de presiune și de temperatură, conțin același număr de molecule:
0,1 L H2 și 0,1 L CO2
0,1 mol H2 și 0,1 L CO2
0,1 g H2 și 0,1 g CO2
0,1 L H2 și 0,1 g CO2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Legătura ionică se stabileşte între atomi ai elementelor cu caracter nemetalic
A
F
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Caracterul nemetalic al clorului este mai pronunțat decât al bromului
A
F
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