Ionic Compounds (AQA GCSE Chemistry Combined Science): Flashcards
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How do ionic compounds form?
How do ionic compounds form?
Electron transfer from metal to non-metal
What particles form in ionic bonding?
What particles form in ionic bonding?
Ions (charged particles)
Atom types in ionic bonding
Atom types in ionic bonding
Metal and non-metal
Force holding ionic compounds together
Force holding ionic compounds together
Strong electrostatic attraction
Overall charge of an ionic compound
Overall charge of an ionic compound
Zero (charges cancel out)
Structure of ionic compounds
Structure of ionic compounds
Giant ionic lattice in regular, repeating pattern
Type of bonding in ionic compounds
Type of bonding in ionic compounds
Ionic bonding
Melting points of ionic compounds
Melting points of ionic compounds
High
Why ionic compounds have high melting points
Why ionic compounds have high melting points
Strong electrostatic forces need energy to overcome
Electrical conductivity of solid ionic compounds
Electrical conductivity of solid ionic compounds
Cannot conduct (ions fixed in position)
Conductivity when molten or dissolved
Conductivity when molten or dissolved
Can conduct (ions free to move)
Requirement for electrical conductivity
Requirement for electrical conductivity
Charged particles free to move
Effect of higher ion charges on melting point
Effect of higher ion charges on melting point
Higher melting point (stronger forces)