Ionic, Covalent & Metallic Bond (AQA GCSE Chemistry Combined Science): Flashcards
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Practise the cards
13 cards from this deck
What is an ion?
What is an ion?
Atom/group of atoms with positive or negative charge
How do ions form?
How do ions form?
Atoms lose or gain electrons
Why do atoms form ions?
Why do atoms form ions?
To achieve full outer shell for stability
How do metal atoms form ions?
How do metal atoms form ions?
Lose electrons from outer shell
Charge when atom loses electrons
Charge when atom loses electrons
Positive (cation)
How do non-metal atoms form ions?
How do non-metal atoms form ions?
Gain electrons to fill outer shell
Charge when atom gains electrons
Charge when atom gains electrons
Negative (anion)
What types of atoms form ionic bonds?
What types of atoms form ionic bonds?
Metal and non-metal
What force attracts ions in ionic bonds?
What force attracts ions in ionic bonds?
Electrostatic forces
What is the structure of ionic compounds?
What is the structure of ionic compounds?
Giant ionic lattice
Melting/boiling points of ionic compounds
Melting/boiling points of ionic compounds
High (strong forces between ions)
Solubility of ionic compounds
Solubility of ionic compounds
Usually soluble in water
When do ionic compounds conduct electricity?
When do ionic compounds conduct electricity?
When melted or dissolved (ions free to move)