Defenitions Flashcards
Define reactivity
Tendency of a substance to undergo a chemical reaction
Define cation
A positively charged ion
Define anion
A negatively charged ion
Define ionic bond
A strong electrostatic force of attraction between oppositely charged ions
Define covalent bond
A shared pair of electrons between 2 non metals
What is avogadro’s law?
At the same temperature and pressure, equal volumes of gases will contain equal numbers of particles
Define metal carbonate
A compound that contains metal ions and carbonate ions
Define base
Any substance that neutralises an acid
Define dissociate (or ‘ionsise’)
Breaking up of a molecule into ions when dissolved in water
Define alkali
A base that is soluble in water
Define titration
A method used to completely neutralise a strong acid with a soluble bade
Define ore
A rock that contains enough of a compound to extract a metal for profit
Define REDOX
A reaction in which both reduction and oxidation takes place
Define displacement
Where a more reactive metal displaces a less reactive metal in a compound
Define electrolysis
Process of using electricity to breakdown substances
Define electrolyte
An ionic substance with freely moving ions
Define aqueous
Dissolved in water
