Metallic Bonding (AQA GCSE Chemistry Combined Science): Flashcards
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What types of atoms form metallic bonds?
What types of atoms form metallic bonds?
Atoms of metals
What do metal atoms release in metallic bonding?
What do metal atoms release in metallic bonding?
Electrons (forming sea of free electrons)
Term for free electrons in metallic structure
Term for free electrons in metallic structure
Sea of free electrons
What surrounds positive metal ions in metallic bonds?
What surrounds positive metal ions in metallic bonds?
Sea of free electrons
Why can atoms slide over each other in metals?
Why can atoms slide over each other in metals?
Sea of free electrons allows movement
Why metals conduct electricity
Why metals conduct electricity
Free electrons move through structure
Why metals conduct heat
Why metals conduct heat
Free electrons move through structure
Definition of malleable
Definition of malleable
Can be hammered into shapes
Definition of ductile
Definition of ductile
Can be drawn into wires
Why metals are malleable and ductile
Why metals are malleable and ductile
Layers of atoms slide without breaking bonds
Are metals' melting/boiling points high or low?
Are metals' melting/boiling points high or low?
High
Why metals have high melting/boiling points
Why metals have high melting/boiling points
Strong attraction between positive ions and electrons