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Atomic Quizzes, Questions & Answers

At the smallest level of everything is an atom. This atomic particle of matter is the smallest unit of a chemical element. So if atoms are so small, how are they measured? The standard atomic measurement is in picometers (trillionths of a meter). That’s really small!
 
Do you know what atoms are made of? Getting down to basics, atoms are mainly composed of electrons, protons, and neutrons. However, did you know that protons are the real star of an atom? The number of protons determines whether the atom is carbon, copper, or any number of elements. The world of atoms, elements, and chemistry come together in amazingly complex way to create life as we know it. Test your chemistry knowledge by taking one of our online quizzes!

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This quiz tests knowledge on atomic structure, focusing on atomic numbers, symbols, and mass for elements like hydrogen, calcium, nickel, phosphorus, and zinc.

Questions: 15  |  Attempts: 3034   |  Last updated: Oct 24, 2024
  • Sample Question
    What is the atomic number for hydrogen?
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Test your knowledge of radioactive decay processes with this Radioactive Decay Trivia Quiz. Explore types of decay like alpha and beta, and learn how they alter atomic mass numbers. Essential for students of physics, enhancing...

Questions: 16  |  Attempts: 1749   |  Last updated: Jul 18, 2024
  • Sample Question
    Which type of decay leads to the change:
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Take this interesting quiz and learn more about atomic masses!

Questions: 8  |  Attempts: 276   |  Last updated: Mar 21, 2023
  • Sample Question
    Calculate the relative formula mass for the compound: H2SO4
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Explore key experiments and concepts in atomic physics with this quiz. Topics include the Geiger Marsden experiment's insights on atomic structure, the role of neutrons in isotopes, and evidence of atomic energy levels through...

Questions: 11  |  Attempts: 1278   |  Last updated: Mar 22, 2023
  • Sample Question
    In the Geiger Marsden experiment, alpha particles are scattered by gold nuclei.  The experimental results indicate that most alpha particles are:
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Prepared by P.ILAIYARAJA M.Sc.,B.Ed., PG ASST IN PHYSICS , GHSS, PANCHANATHIKKULAM EAST, NAGAI DT.                 & www.Padasalai.Net

Questions: 15  |  Attempts: 2636   |  Last updated: Mar 21, 2023
  • Sample Question
    The cathode rays are  
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