Chemistry Vocabulary Words List from A to Z

Chemistry is a branch of science dealing with chemicals and other minerals. Get to know about the basic organic and inorganic words a beginner chemist should know.

Chemistry Vocabulary Word for Beginners

Following is a list of terms related to chemistry along with their explanation:

  1. Acid: A chemical substance containing Hydrogen
  2. Addition Reaction: The reaction in which a molecule combines with another molecule resulting in the formation of a larger molecule
  3. Alkaline: A substance having the property of an Alkali
  4. Alkane: A series of saturated hydrocarbons
  5. Alkene: A series of unsaturated hydrocarbons with a double bond
  6. Alkyne: A series of unsaturated hydrocarbons with a triple bond
  7. Amino Acid: Monomers that combine to make proteins
  8. Anode: An electrode with a positive charge
  9. Aluminum: A chemical element with atomic number 13, symbol Al. The simple body aluminum is a malleable, silvery metal that is hardly altered by air and is of low density
  10. Amphoteric: Having characteristics of both an acid and a base and capable of reacting as either
  11. Arsenic: The chemical element with atomic number 33, whose symbol is As. The corresponding simple body is a silvery crystalline solid
  12. Atom: A fragment of a chemical component constituting the tiniest quantity able to be associated with another element
  13. Atomic: Relating to the smallest component of an element
  14. Base: A chemical substance containing Hydroxide
  15. Buffer: An aqueous solution with a weak acid and its coupled base
  16. Balance: Harmonious arrangement or relation of parts within a whole
  17. Barium: A chemical element with atomic number 56, symbol Ba. Properties similar to those of lime
  18. Beaker: A glass container (generally in a cylindrical shape) with a flat bottom
  19. Beryllium: A chemical element with the symbol Be and atomic number 4. The best known gemstones from it are the emerald and the aquamarine
  20. Calcium: A chemical element with atomic number 20, symbol Ca. It is the fifth most profuse element in the earth’s crust
  21. Catalyst: A substance that accelerates a chemical reaction without getting affected
  22. Cathode: An electrode with a negative charge
  23. Covalent Bond: Bond in which pairs of electrons are shared between atoms
  24. Carbohydrate: Carbohydrates are a class of organic compounds having the general formula – Cm (H2O)n.
  25. Carbon: A chemical element with atomic number 6 and symbol C. It possesses three natural isotopes. Two are stable and a third is radioactive with a half-life
  26. Carbon Black: Carbon black is a nearly pure elemental carbon formed from controlled combustion of petroleum hydrocarbons.
  27. Carbonate: Carbonate is an ion consisting of one carbon and three oxygen atoms.
  28. Centrifuge: A centrifuge is a device that induces acceleration by rapid rotation. It is used to accelerate the decantation of separate products of different density
  29. Cerium: A chemical element with atomic number 58 and symbol Ce. It is part of the lanthanide and rare earth series
  30. Cesium: A chemical element with atomic number 55, symbol Cs, the most alkaline of the alkali metals
  31. Chelation: The process of forming a ring by forming one or more hydrogen bonds
  32. Diffusion: Movement of particles in liquids and gases from high to low concentration areas
  33. Dilution: The addition of a solvent like water for decreasing the concentration of a chemical
  34. Endothermic: The reaction which absorbs energy
  35. Exothermic: A reaction which releases energy
  36. Einstein: A unit of measurement of the light energy absorbed by one mole of reagent
  37. Electron: An elementary particle with negative charge
  38. Electron: A negatively charged particle that comprises the external part of the atom
  39. Electron volt: An Electron volt is a unit of measurement of energy
  40. Enzyme: A complex protein produced by cells that acts as a catalyst
  41. Equation: A mathematical statement that two expressions are the same
  42. Europium: A chemical element, symbol Eu and atomic number 63. Europium is the most reactive of the rare earth elements
  43. Flask: A glass container used to prepare solutions.
  44. Formula: A group of symbols that make a mathematical statement
  45. Gas-Liquid Contactor: A gas-liquid contactor is used for mass and heat transfer between a gas phase and a liquid phase
  46. Gold: A chemical element with the atomic number 79, symbol Au. The simple body gold is a noble, precious metal whose color is golden yellow
  47. Helium: Helium is the chemical element with atomic number 2, symbol He. Helium has two stable isotopes: helium 4, and less abundant helium 3. The various uses of Helium is growing rapidly
  48. Hydrogen: Hydrogen is the chemical element with atomic number 1, symbol H. It is formed of three isotopes: Protium, Deuterium and Tritium,Tte latest is radioactive
  49. Inflammable: Inflammable is an older term identical to flammable, which is a property of a material relating how easily the material ignites or sustains a combustion reaction
  50. Indicator: A substance that indicates a sign using a color change
  51. Inorganic Compound: A compound without carbon and hydrogen
  52. Ionic Bond: When a positive electron bonds with a negative electron
  53. Ion: An ion is an atom or molecule that has gained or lost one or more electrons.
  54. Isomer: A compound that exists in forms having different arrangements of atoms but the same molecular weight
  55. Lone Pair: A pair of electrons which are not in bonding
  56. Lanthanum: A chemical element, with symbol La and atomic number 57. Lanthanum remained concealed in cerium oxide for a very long time
  57. Lead: A chemical element with atomic number 82, symbol Pb. Usually, the simple body lead is a malleable, bluish-grey metal, which gradually bleaches on oxidation. It is poisonous, mutagenic and dangerous for reproduction
  58. Ligand: A substance that forms a complex around a central atom
  59. Lithium: A chemical element with atomic number 3, symbol Li. It is an alkali metal
  60. Litmus: A coloring material that turns red in acid solutions
  61. Magnesium: It is the ninth most abundant element in the universe. As a result from the successive sum of three helium nuclei to one carbon nucleus
  62. Mercury: Mercury is the chemical element with atomic number 80, symbol Hg. The simple body mercury is a metal, liquid and slightly viscous. It was once used for thermometers and batteries
  63. Molal: Designating a solution containing one mole of solute per kilogram of solvent
  64. Molarity: Concentration measured by molecular weight of a substance
  65. Molecular: Relating to the simplest units of an element or compound
  66. Molecule: A set of at least two atoms, identical or not, chemically attached to each other
  67. Neutralization Reaction: A reaction in which the result is salt and water
  68. Naphtha: Naphtha refers to a mixture of hydrocarbons forming a flammable liquid. Naphtha is typically produced from the distillation of petroleum or coal tar
  69. Neon: Neon is the chemical element with atomic number 10, symbol Ne. It is one of the most abundant elements in the universe, but it is rare on earth, it is present mainly in the earth’s atmosphere and in some minor quantities in rocks
  70. Neutron: An elementary particle, constitutive of the atomic nucleus. One exception is the normal hydrogen nucleus. It is electrically neutral
  71. Nitrogen: Nitrogen is the chemical element with atomic number 7, symbol N. The minerals containing nitrogen are predominantly nitrates. It is mainly used for industrial purposes
  72. Nucleus: The internal part of an atom. It is composed of neutrons and protons
  73. Oxygen: Oxygen is the chemical element with atomic number 8, symbol O. It is the third most abundant element in the universe and constitutes 62.5% of the mass of the human body
  74. Organic Compound: A compound that has one or more carbon atoms in it
  75. Oxidation: Loss of electrons and gain of oxygen in a reaction
  76. Periodic Table: A table which displays chemical elements
  77. Polymer: A chemical compound with chains of molecules
  78. Paraffin: Paraffin is a waxy substance made up of a mixture of alkanes with a total number of carbon atoms between 20 and 40
  79. Phosphorus: Phosphorus is the chemical element with atomic number 15, symbol P. White phosphorus emits, by chemiluminescence, visible light in the dark when exposed to air. Due to a rapid decrease in resources, it is classified as a critical mineral raw material
  80. Pipette: A pipette is a tool used to sample a solution
  81. Plutonium: A chemical element with the symbol Pu and atomic number 94. It is a transuranic radioactive metal of the actinide group
  82. Positron: An elementary particle with positive charge
  83. Potassium: An atomic element with atomic number 19, symbol K, alkali metal found in potash
  84. Proton: A particle that makes up the nucleus of an atom and has a positive charge identical to that of the electron
  85. Quark: Fundamental subatomic particle that has a fractional charge
  86. Radon: Radon is the chemical element with atomic number 86, symbol Rn. All the known isotopes of this gas are radioactive
  87. Redox Reaction: A reaction which includes both oxidation as well as reduction
  88.  
  89. Reaction: An idea evoked by some experience
  90. Refractometer: It measures the limiting angle of refraction of a material
  91. Silicon: Silicon is the chemical element with atomic number 14, symbol Si. It is a tetravalent metalloid and is the most abundant element in the earth’s crust after oxygen
  92. Silver: Silver is the chemical element with atomic number 47, symbol Ag. Between copper and gold. Hardly or not ox disable in air, all three are used to mint coins
  93. Substrate: The material that is acted upon by an enzyme
  94. Sulfur: It is the chemical element with atomic number 16, symbol S. It is an essential element for all living beings. It is used mainly to prepare sulphuric acid which is the basic product of the chemical industry
  95. Tin: Tin is the chemical element with atomic number 50, symbol Sn. It has been used since ancient times to protect tableware from oxidation and to prepare bronze
  96. Titanium: Titanium is the chemical element with atomic number 22, symbol Ti. It is used in light and strong alloys and its main sources are rutile and anatase
  97. Tungsten: A chemical element with atomic Number 74, symbol W It is used in its pure form in electrical applications but in the shape of alloys, it is suitable for the production of tools requiring great hardness such as drills, abrasive powders etc.
  98. Uranium: A chemical element with atomic number 92, symbol U. It is of the actinide family. It is a very long-life radioactive heavy metal
  99. Valency: It is the measure of the number of chemical bonds an atom of a particular element can form
  100. Zinc: A chemical element with atomic number 30 and symbol Zn. It has five stable natural isotopes a chemical element with atomic number 30 and symbol Zn. It has five stable natural isotopes
  101. Zirconium: Zirconium is the chemical element with atomic number 40, symbol Zr. It is a transition metal and the most aged of all elements on earth

We have a prepared an image for a quick revision of some of the terms included in the above list.

You can use the following worksheet to practice the new words:

blank

Keep exploring EnglishBix for more easy to understand resources on vocabulary.

Quick Links

  1. Science Vocabulary Words A to Z List
  2. Biology Vocabulary List for Kids
  3. Physics Vocabulary List
  4. Electricity and Magnetism Vocabulary

Leave a Comment