Quiz  /  Elements

  • 1. 
    The atomic number of an atom is the number of ______ in the atom's nucleus.

  • Neutrinos
  • Neutrons
  • Electrons
  • Protons

  • 2. 
    Elements are made from a single type of _______.

  • Proton
  • Atom
  • Compound
  • Molecule

  • 3. 
    What element has an atomic number of 1?

  • Hydrogen
  • Helium
  • Oxygen
  • Silicon

  • 4. 
    What are the different physical forms of an element called?

  • Ions
  • Molecules
  • Allotropes
  • Compounds

  • 5. 
    According to the article, how many elements are there in the current periodic table?

  • 100
  • 94
  • 12
  • 118

  • 6. 
    To what family of elements do the elements helium, neon, and argon belong to?

  • Halogens
  • Transition metals
  • Noble gases
  • Alkali metals

  • 7. 
    What family of elements has only one electron in the outer shell making them very reactive?

  • Halogens
  • Alkali metals
  • Actinides
  • Transition metals

  • 8. 
    What is the name of the chart that scientists use to keep track of the elements?

  • Periodic Table
  • Chart of Elements
  • Elemental List
  • Atomic Matrix

  • 9. 
    What is the most common element in the universe?

  • Oxygen
  • Silicon
  • Hydrogen
  • Helium

  • 10. 
    What are atoms of the same element that have a different number of neutrons called?

  • Organics
  • Compounds
  • Allotropes
  • Isotopes
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