Ionic Bonding Flashcards
What is ionic bonding?
Ionic bonding is the electro-static attraction between 2 or more oppositely charged ions.
This happens between a metal and a non-metal.
Do non-metals gain or lose electrons and why?
They gain electrons because it is easier for them to gain a full outer shell this way.
Do metals gain or lose electrons and why?
They lose electrons because it is easier for them to gain a full outer shell this way.
How are ionic compounds held together?
They are held together by the strong electro-static attraction between positive ions and negative ions.
Which charges of ions will form on the different group numbers on the periodic table?
Group 1: +1
Group 2: +2
Group 3: +3
Group 5: -3
Group 6: -2
Group 7: -1
What structure do ionic compounds form?
Giant ionic structure
Why do ionic compounds have high melting/boiling points?
Because it takes a lot of force (from the heat) to break the strong ionic bonds that hold the atoms together.
Why can ionic compounds conduct electricity when molten or dissolved in water?
They can conduct electricity only when molten or dissolved in water because then the charged ions are free to move.