Chap 23: Chemical Bonding Flashcards
1
Q
What is an ion?
A
An atom that has lost or gained an electron
2
Q
What are the properties of an ionic compound
A
Solids
High melting points
Soluble in water
Conducts electricity
3
Q
What are the properties of a covalent compound?
A
Liquids/Gases
Low melting points
Insoluble in water
Do not conduct electricity
4
Q
What is an ionic bond?
A
The force of attraction between a positively and negatively charged ions
Occurs between a metal and a non-metal
Metal loses electrons and non-metal gains
5
Q
NaCl
A
Ionic
6
Q
MgO
A
Ionic
7
Q
What type of bonding in present in magnesium oxide
A
Ionic
8
Q
What color does moist litmus paper turn when reaction with magnesium oxide
A
Blue
9
Q
Why can an ionic substance conduct electricity when dissolved in water?
A
The charges are free to move
