Flashcards
elements and compounds word list
Flashcards do conjunto (24)
- 1atomthe smallest whole part of all matter
- 2elementa type of matter made up of only one type of atom
- 3moleculea type of matter made of two or more atoms chemically bonded together
- 4mixturea material made of different elements and/or compounds where there is no fixed ratio, and can be separated by physical means
- 5chemical symbola shorthand way to represent an element and molecule
- 6compounda type of matter made of two or more different types o atoms chemically bonded together
- 7physical changea type of change in which the form of matter changes its physical state as a result of energy changes
- 8chemical changea type of change where one or more substances are chemically altered into one or more new and different substances
- 9chemical reactionthe process which brings about a chemical change
- 10acida substance with particular chemical properties including turning litmus red, neutralizing alkalis, often corrosive and sour tasting
- 11metala type of matter which is typically a solid, shiny, malleable and ductile. with good electrical and thermal conductivity
- 12alloya general term for a mixture of metals made by combining two or more metallic elements, which results in different physical properties
- 13lustrethe manner in which a newly exposed metal reflects light
- 14malleablethe ability of a metal to be beaten to form shapes without breaking
- 15ductilethe ability of a metal to be drawn out to form a wire
- 16conductivitythe ability of a substance to allow electricity or heat to travel through it
- 17extractionthe process by which metals are removed from mineral ores
- 18electrolysisthe process by which an electric current is passed through a substance to effect a chemical change
- 19decompositiona type of chemical reaction where a substance is broken down into two or more simpler substances
- 20synthesisa type of chemical reaction where two or more substances chemically combine to form a new substance
- 21precipitationa type of chemical reaction where two soluble salt solids are combined to form an insoluble solid
- 22neutralizationa type of chemical reaction where an acid and a base interact to form a salt and water
- 23biopolymerthe general term for a very large molecule made by living organisms
- 24petroleumalso known as crude oil, an oily mixture of hydrocarbons that can be extracted from layers of rock and used to produce fuel and polymers
Informações
- Descrição
- Year 7 Science (Elements and Compounds) FlashCards sobre elements and compounds word list, criado por sophie loiselle em 20-05-2017.
- Criado por
- sophie loiselle
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