The Atom - Quiz Definitions

11 Questions | Total Attempts: 106

Atom Quizzes & Trivia

An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. It is composed of a dense core called the nucleus and a series of outer shells occupied by orbiting electrons. What more do you know about atoms? Take up the quiz to find out.

Questions and Answers
  • 1. 
    Weighted average of the mass of all naturally occurring isotopes of the same element.
  • 2. 
    The smallest unit of an element that maintains the properties of an element.
  • 3. 
    Positively charged particle in an atom.
  • 4. 
    Made up of protons and nuetrons
  • 5. 
    Particle in the atom that has no charge.
  • 6. 
    Atoms with the same number of protons but differently numbers of neutrons.
  • 7. 
    Negatively charged particle in the atom.
  • 8. 
    Number of protons in a nucleus
  • 9. 
    Regions where electrons are likely to be found
  • 10. 
    SI unit used to express the mass of atomic particles
  • 11. 
    Sum of protons and neutrons
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