Ionic Compounds (Edexcel 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
Ion formed when sodium atom loses an electron
Ion formed when sodium atom loses an electron
(positive sodium ion)
Ion formed when chlorine atom gains an electron
Ion formed when chlorine atom gains an electron
(negative chloride ion)
Overall charge of ionic compound
Overall charge of ionic compound
No charge (neutral)
Force holding ionic compound together
Force holding ionic compound together
Strong electrostatic attraction
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
Why ionic compounds have high melting points
Why ionic compounds have high melting points
Strong electrostatic forces need much energy to overcome
State of ionic compounds at room temperature
State of ionic compounds at room temperature
Solid
Effect of higher ion charge on melting point
Effect of higher ion charge on melting point
Higher melting point (stronger forces)
When ionic compounds conduct electricity
When ionic compounds conduct electricity
When melted or dissolved in water
Why solid ionic compounds don't conduct electricity
Why solid ionic compounds don't conduct electricity
Ions fixed in position, can't move
Direction of forces in ionic lattice
Direction of forces in ionic lattice
All directions