Flashcards
8:1 Elements and Compounds Wordlist
Flashcards do conjunto (23)
- 1atomThe smallest whole part of matter
- 2elementA type of matter made up of one type of atom
- 3moleculeA type of matter made of two or more atoms chemically bonded together
- 4chemical symbolA shorthand way to represent an element and molecule
- 5compoundA type of matter made of two or more different types of atoms chemically bonded together
- 6physical changeA type of change in which the form of matter changes it physical state as a result of energy changes
- 7chemical changeA type of change where one or more substances are chemically altered into one or more new and different substances
- 8chemical reactionThe process which brings about a chemical change
- 9acidA substance with particular chemical properties including turning litmus red, neutralising alkalis, often corrosive and sour-tasting.
- 10metalA type of matter which is typically a solid, shiny, malleable and ductile, with good electrical and thermal conductivity
- 11alloyA type of metal made by combining two or more metallic elements to give different physical properties
- 12lustreThe manner in which a newly exposed surface of a metal reflects light
- 13malleableThe ability of a metal to be beaten to form shapes without breaking
- 14ductileThe ability of a metal to be drawn out to form a wire
- 15conductivityThe ability of a substance to allow electricity or heat to travel through it
- 16extractionThe process by which metals are removed from mineral ores
- 17electrolysisThe process by which electric current is passed through a substance to effect a chemical change.
- 18decompositionA type of chemical reaction where a substance is broken down into two or more simpler substances
- 19synthesisA type of chemical reaction where two or more substances chemically combine to form a new substance
- 20precipitationA type of chemical reaction where two soluble salt solutions are combined to form an insoluble solid
- 21neutralisationA type of chemical reaction where an acid and a base interact to form a salt and water
- 22biopolymerA very large molecule made by living organisms
- 23petroleumKnown as crude oil, an oily mixture of hydrocarbons that can be extracted from layers of rock and used to produce fuel and polymers