Glossary

GLOSSARY OF TERMS Add * to explained words in text

• Alloy:a mixture of two or more metals to produce a third. • Atomic number:the number of protons in the nucleus of atom. • Atomic mass:the weighted averageof the masses of all the naturally occuring isotopes of an element. • Bond:to bin, to tie firmly together. • Compound:a pure substance composed of two or more elements that are chemically combined. • Corrosion:the destructive action of rust and/or other abrasive elements. • Crude oils: oil that is in its natural condition,as it comes out of an oil well,before it is made more pure or separated into different products. • Ductile:property of that which is capable of conducting electricity. • Dye:the pure form of colour, used in the textile industry. • Isolate:to separate into its different elements. • Granules:little grains of matter. • Mordant:unkind and insulting humour etc that is also funny. • Standard state:normal state. • Structural strength:it is a field to support and resists a various load. • Ore:rock or earth from which metal can be obtained. • Oxidize:to combine with oxygen, or make something combine with oxygen, especially in a way that causes rust. • Reinforce:to make stronger by adding something.