Chemical Reactions - Introductory

Need to learn about chemical reactions? All it takes a little concentration to absorb this essential vocabulary. Review chemical changes, catalysts, and more.
44 words 2152 learners

Learn words with Flashcards and other activities

Definition First
Print Flashcards

Other learning activities

Answer a few questions about each word. Use this to prep for your next quiz! Compete with other teams in real time to see who answers the most questions correctly! Test your spelling acumen. Read the definition, listen to the word and try spelling it!

Teaching tools

Create and assign quizzes to your students to test their vocabulary. Assign learning activities including Practice, Vocabulary Jams and Spelling Bees to your students, and monitor their progress in real-time.

Full list of words from this list:

words only definitions & notes
  1. absorb
    suck or take up or in
  2. acid
    a sour water-soluble compound with a pH of less than 7
  3. atom
    the smallest component of an element
  4. balance
    bring into equilibrium
  5. base
    a compound reacting with an acid to form a salt and water
  6. boiling point
    the temperature at which a liquid boils at sea level
  7. catalyst
    substance that initiates or accelerates a chemical reaction
  8. chemical
    material produced by changes in atoms or molecules
  9. chemical bond
    an electrical force linking atoms
  10. chemical change
    process determined by substances' composition and structure
  11. chemical energy
    that part of the energy in a substance that can be released by a chemical reaction
  12. chemical property
    a property used to characterize materials in reactions that change their identity
  13. combustion
    a reaction of a substance with oxygen to give heat and light
  14. compound
    a substance formed by chemical union of two or more elements
  15. concentration
    the strength of a solution
  16. dissolve
    pass into a solution
  17. electron
    an elementary particle with negative charge
  18. element
    a substance that cannot be separated into simpler substances
  19. equilibrium
    a chemical reaction and its reverse proceed at equal rates
  20. formula
    a symbolic representation of the composition of a compound
  21. fuel
    a substance that can be consumed to produce energy
  22. gas
    state of matter distinguished from solid and liquid states
  23. heat
    a form of energy transferred by a difference in temperature
  24. law of conservation of matter
    a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
  25. light
    electromagnetic radiation that can produce visual sensation
  26. mass
    the property of a body that causes it to have weight
  27. matter
    that which has mass and occupies space
  28. melting point
    the temperature at which a solid turns into a liquid
  29. metal
    a chemical element or alloy that is usually a shiny solid
  30. molecule
    the simplest structural unit of an element or compound
  31. neutron
    a subatomic particle with zero charge
  32. particle
    a body having finite mass but negligible dimensions
  33. periodic table
    arrangement of chemical elements according to atomic number
  34. pH
    a measure of the acidity or alkalinity of a solution
  35. physical change
    a change from one state (solid or liquid or gas) to another without a change in chemical composition
  36. precipitate
    separate as a fine suspension of solid particles
  37. product
    a chemical substance formed as a result of a reaction
  38. property
    a basic or essential attribute shared by members of a class
  39. proton
    a stable particle with positive charge
  40. reactant
    a substance that is altered during a chemical process
  41. reaction
    a process in which a substance is changed into another
  42. reactive
    participating in processes changing substances into others
  43. substance
    a particular kind of matter with uniform properties
  44. yield
    an amount of a product
Created on Wed Feb 22 20:00:18 EST 2017 (updated Mon Apr 10 14:56:13 EDT 2017)

Sign up now (it’s free!)

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.