Ionic Compounds (AQA GCSE Chemistry): Flashcards
📚Flashcards
Practise the cards
14 cards from this deck
ShowHide
Practise the cards
14 cards from this deck
How ionic compounds form
How ionic compounds form
Transfer of electrons from metal to non-metal
What are ions
What are ions
Charged particles formed by electron transfer
Electron transfer in NaCl formation
Electron transfer in NaCl formation
One electron transfers from Na outer shell to Cl outer shell
Ion formed from sodium atom in NaCl
Ion formed from sodium atom in NaCl
Positive sodium ion ()
Ion formed from chlorine atom in NaCl
Ion formed from chlorine atom in NaCl
Negative chloride ion ()
Force holding ionic compounds together
Force holding ionic compounds together
Strong electrostatic attraction between opposite charges
What is an ionic lattice
What is an ionic lattice
Giant structure of ions in regular, repeating pattern
What is ionic bonding
What is ionic bonding
Electrostatic forces between oppositely charged ions
Melting and boiling points of ionic compounds
Melting and boiling points of ionic compounds
High melting and boiling points
Why ionic compounds have high melting points
Why ionic compounds have high melting points
Strong electrostatic forces need lots of energy to overcome
Effect of higher ion charges on bond strength
Effect of higher ion charges on bond strength
Higher charges create stronger forces of attraction
Conductivity of solid ionic compounds
Conductivity of solid ionic compounds
Cannot conduct electricity - ions in fixed positions
Conductivity of molten/dissolved ionic compounds
Conductivity of molten/dissolved ionic compounds
Can conduct electricity - ions free to move
Requirements for electrical conductivity
Requirements for electrical conductivity
Charged particles that are free to move