Chapter Nine

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Ion

An atomic arrangement that bears an unequal number of protons and electrons. In other words, the arrangement bears a charge (positive/negative).

Electron Affinity

The pulling force that an atom has on other atom's electrons.

Polar

An arrangement has an equal number of opposite charges but they are distributed unequally. One side of the arrangement is positive and the other side is negative.

Chemical Reaction

When the arrangement of atoms within a molecule emerging from a collision is different from the arrangement of atoms entering the collision.

Activation Energy

The speed in which certain molecules must collide at before a chemical reaction can occur.

Reduction

An increase in the number of electrons in close association with an atom.

Monomer

Small molecules that have the potential to be linked together to form large molecules.

Polymer

Any molecule formed by the linking together of many small molecules (monomers).

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