Giant ionic lattices (AQA GCSE Chemistry Combined Science): Flashcards
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Giant ionic lattices definition
Giant ionic lattices definition
Huge 3D structures of many ions in regular, repeating pattern
Force holding ions in ionic lattice
Force holding ions in ionic lattice
Strong electrostatic attraction between opposite charges
Why 'giant' in giant ionic lattice
Why 'giant' in giant ionic lattice
Contains enormous number of ions (millions/billions)
What dot-and-cross diagrams show
What dot-and-cross diagrams show
Ion formation and electronic structure of ions
What dot-and-cross diagrams don't show
What dot-and-cross diagrams don't show
Arrangement of ions in the structure
What ball and stick models show
What ball and stick models show
3D structure & electrostatic forces in all directions
What 3D models don't show
What 3D models don't show
Electronic structure of the ions
Why ionic compounds have high melting points
Why ionic compounds have high melting points
Strong ionic bonds require large energy to break
When ionic compounds conduct electricity
When ionic compounds conduct electricity
Only when melted or dissolved in water
Why ionic compounds conduct when melted/dissolved
Why ionic compounds conduct when melted/dissolved
Ions free to move and carry electric current
Why solid ionic compounds don't conduct
Why solid ionic compounds don't conduct
Ions stuck in fixed positions, can't move
ions around each in NaCl
ions around each in NaCl
Six
ions around each in NaCl
ions around each in NaCl
Six
ions around each in
ions around each in
Eight
ions around each in
ions around each in
Four