Structure and Bonding

Structure & Bonding

Key Words

Ions – charged particles. Can be single atoms or groups of atoms.

Ionic bonding – transfer of electrons.

Dot and cross diagrams – show how ionic compounds are formed.

Ionic Compounds – have high melting points due to strong bonds.

Giant ionic lattice – structure from ionic compounds.

Covalent bonds – non-metal atoms bond together sharing pairs of electrons.

Simple molecular substances – made up of molecules containing a few atoms joined together by convlent bonds.

Polymers – long chains of repeating units. Atoms in a polymer are joined by strong convalent bonds.

Giant covalent structures / Macromolecules – all atoms are bonded to earch other by strong covalent bonds.

Allotropes – different structural forms of the same element in the same physical state.

Fullerenes – molecules of carbon, shaped like closed tubes or hollow balls.

Nanotubes – tiny carbon cylinders formed from fullerenes.

Alloys – a mixture of two or more metals or a metal and another element.

Nanoparticles – really tiny particles containing only a few hundred atoms.

Nanoscience – a science that investigates the uses and properties of nanoparticles.

Nanomedicine – small particles that can deliver drugs right into the cells where they’re needed.


Also see Atomic Structure, Polymers,

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