Topic 10 - Ionic bonding/compounds Flashcards
1
Q
what happens when metals and non-metals react together
A
metal loses electrons to form positive ions
non-metal gains to form negative ions
2
Q
features of ionic compounds
A
giant lattice structure
high melting/boiling points so lots of energy needed
don’t conduct electricity as in fixed place so cant move
dissolve easily in water as they are free to move after being melted
3
Q
what are limitations of dot&cross diagrams
A
They dont show shape or arrangement
