Ionic Compounds (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Flashcards
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How do ionic compounds form?
How do ionic compounds form?
Electron transfer from metal to non-metal
What are ions?
What are ions?
Charged particles
Ion formed when loses electron
Ion formed when loses electron
(positive sodium ion)
Ion formed when gains electron
Ion formed when gains electron
(negative chloride ion)
Force holding ionic compounds together
Force holding ionic compounds together
Strong electrostatic attraction
Overall charge of ionic compound
Overall charge of ionic compound
No charge (charges cancel out)
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
Why ionic compounds have high melting points
Why ionic compounds have high melting points
Strong electrostatic forces need energy to overcome
Do ionic compounds conduct electricity when solid?
Do ionic compounds conduct electricity when solid?
No - ions are fixed in position
When do ionic compounds conduct electricity?
When do ionic compounds conduct electricity?
When melted or dissolved in water
Properties of compounds vs their elements
Properties of compounds vs their elements
Completely different