Amazing definitions of words used by chemists good chemistry

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1. Acid

                A hydrogen containing compound that can release hydrogen ion in solution.

 

2. Alloy

.                A material made up by combining two or more metals.

 

3. Analysis 

                 Breaking down a compound into two or more substances.

 

4. Anhydrous.

                     Free from water 

 

5. Atom.

               The smallest unit of an element that can enter into making of a chemical compound.

 

6. Atomic weight

               The weight of an atom compared with the weight of an oxygen atom set as 16.

 

7. Base.

              A compound containing the that can release electron or have hydroxyl group.

 

8. Catalyst.

              A substance that helps in chemical reaction without itself being changed.

 

9. Chemical change..

               A change of a substance into another substance having different composition.

 

10. Chemistry

                A branch of science dealing with the composition of substance and the changes that can be made in them.

 

11. Combustion.

                      Burning a chemical change that produces heat and light.

 

12. Compound.

                 A substance consisting of two or more different kinds of atom in definite proportion by weight.

 

13. Crystal.

                 A solid in which atom or molecules arranged in a definite pattern. 

 

14. Density.

                  The weight of a liquid or solid in grams per cm3 or mililiter 

 

 

15. Distillate

                   A liquid that has been turned into vapors and again cooled into liquid 

 

16. Destination

                         The process of producing a distillate.

 

17. Ductile 

                   Capable of being drawn out into a wire.

 

18. Electrolysis 

                       Breaking down a substance by passing an electric current through it.

 

19. Electrolyte 

                  A substance that, when in a solution or when melted, will conduct an electric current.

 

20. Element.

                  A substance that contains only one kind of atoms 

 

21. Equation 

                  A complete description of a chemical reaction by use of symbols, formulas and signs.

 

22. Evaporation 

             The changing of a substance into vapors. Also the process of removing water by heating.

 

23. Filtration 

          The processes of staining a liquid from a solid through porous material usually filter paper.

 

24. Filtrate 

              A liquid obtained by filtration 

 

25. Formula 

              A group of symbols and numbers giving the composition of a compound.

 

26. Hydrate

                  A compound containing loosely bound water of hydration also known as water of crystallization that can be driven off by heating.

 

27. Hydroxide.

               A compound that contain hydroxyl (OH) radical.

 

28. Ion 

             An electrically charged atom or group of atoms (radicals) 

 

29. Malleable 

               Capable of being hammered or rolled into a thin sheet.

 

30. Matter 

                  Anything that takes up space and has weight.

 

31. Metal 

              An element that is a good conductor of electricity, has luster, and whose oxide forms a base with water.

 

 32. Metalloid 

                       An element that has properties of both metals and none metals.

 

33. Mixture

                 A mingling of substances not combined chemically.

 

34. Molecule 

                  The smallest unit of compound that can exist in free state.

 

35. Molecular weight.

                       The sum of atomic weights of the atoms that make up of molecule of a compound.

 

36. Neutralization 

                      The reaction of an acid and base to give a salt and water.

 

37. Non metal.

                An element that is a poor conductor of electricity, does not have luster and whose oxide form an acid when combined with water.

 

38. Organic Chemistry

                      The chemistry of carbon compounds.

 

39. Oxidation 

                   The process by which a substance combines with oxygen.

 

40. Precipitate 

                   An insoluble solid formed in a solution by chemical reaction.

 

41. Radical.

                 A group of atom they behave chemically as a single atom.

 

42. Reaction 

                  A chemical change.

 

43. Reduction.

                     Removal of oxygen, opposite of oxidation.

 

44. Salt.

                 Compound (other than water) formed by reaction of an acid and a base.

 

45. Saturated solution 

                        A solution that contains the maximum amount of solute under the condition.

 

46. Solubility 

                   The number of grams of a solute needed to make a saturated solution in 100 grams of solvent.

 

47. Solute

              The substance dissolved in a solvent.

 

48. Solution 

                    A non setting mixture of a solute in a solvent.

 

49. Solvent 

                 A liquid in which a solute is dissolved.

 

50. Sublimation.

                     A process by which a solid is turned into vapor and and again cooled into a solid without passing through a liquid stage.

 

51. Substance 

                     Any specific kind of matter whether element, compound or mixture.

 

52. Symbols 

                  A letter or two letters representing one atom of an element.