Science Chemistry 2 vocabulary

A large complex molecule built from smaller molecules joined together in a repeating pattern

The smaller molecules in which polymers are made

Synthetic polymers that can be molded or shaped

A combination of two ono more substances in a new material with different properties

A mixture made of two or more elements that has the properties of metal

Hard crystalline solids made by heating clay and other mineral materials to high temperatures

A clear solid material with no crystal structure created by heating sand to a very high temperate

Is a threadlike piece of glass ( or plastic)that can be used for transmitting light

Reactions involving the particles in the nucleus off an atom

The atomic nuclei of unstable isotopes release fast moving particles and energy

Spontaneous emission of radiation by an unstable nucleusnucleus

Two protons and two neutrons and is positively charged

Is fastest moving electron given off by a nucleus during radioactive decay

High energy waves similar to X-rays

The length of time needed for half of the atoms of a sample to decay

The process of determining the age of an object using the half-life of one or more radioactive isotopes

Radioactive isotopes that can be followed through the steps of a chemical reaction or an industrial process