Test your basic knowledge |

Basic Chemistry

Subjects : science, chemistry
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. An unstable atom in which the nucleus decays (breaks down) releasing particles and energy






2. Occurs when atoms transfer electrons to other atoms






3. Substance made of two or more elements & one being carbon






4. The starting materials for a reaction; found on left side of chemical equation






5. Shows the number and types of atoms in a molecule and how they are arranged






6. Subatomic particle without a charge; found in nucleus






7. Substance made of two or more elements & none of which is carbon






8. Electrons in the outermost energy level; they are involved in bond formation






9. Electrons in the outermost energy level; they are involved in bond formation






10. Subatomic particle having a negative charge; not in nucleus but surrounds it






11. A pure substance that cannot be broken down into other substances by chemical reactions






12. Occurs when atoms transfer electrons to other atoms






13. Interaction of substances that lead to the formation of new substances






14. Occurs when atoms share electrons






15. Substance made of two or more elements & none of which is carbon






16. Atoms that are held together by covalent bonds






17. Subatomic particle having a negative charge; not in nucleus but surrounds it






18. Atoms that are held together by covalent bonds






19. Subatomic particle having a positive charge; found in nucleus






20. The starting materials for a reaction; found on left side of chemical equation






21. The smallest particle of an element that retains the properties of the element






22. Indicates the number and types of atoms in a molecule






23. Anything that occupies space and has mass






24. A covalent bond in which four valence electrons are shared between two atoms






25. A covalent bond in which one pair of electrons is shared






26. Atoms that have lost or gained electrons






27. Subatomic particle having a positive charge; found in nucleus






28. Atoms having the same numbers of protons but different numbers of neutrons






29. Substance containing two or more elements chemically combined in a fixed ratio






30. Shows the number and types of atoms in a molecule and how they are arranged






31. Interaction of substances that lead to the formation of new substances






32. Indicates the formation of new substances from previous substances






33. A pure substance that cannot be broken down into other substances by chemical reactions






34. Indicates the formation of new substances from previous substances






35. Ending materials of a reaction; found on right side of chemical equation






36. Atoms that have lost or gained electrons






37. Occurs when atoms share electrons






38. Identifies a specific element; equals the number of protons in an atom of each element






39. The smallest particle of an element that retains the properties of the element






40. Substance containing two or more elements chemically combined in a fixed ratio






41. Substance made of two or more elements & one being carbon






42. An unstable atom in which the nucleus decays (breaks down) releasing particles and energy






43. Protons and neutrons together; make up the center of an atom






44. Anything that occupies space and has mass






45. Identifies a specific element; equals the number of protons in an atom of each element






46. Atoms having the same numbers of protons but different numbers of neutrons






47. A covalent bond in which four valence electrons are shared between two atoms






48. Protons and neutrons together; make up the center of an atom






49. Indicates the number and types of atoms in a molecule






50. Subatomic particle without a charge; found in nucleus






Content not found.:)

Browse BasicVersity