The Modern Periodic Table

Key Stage 3 Science / Chemistry

Sample Question

What is the major difference between Mendeleev's periodic table and the modern periodic table?

  • Mendeleev's was based on atomic mass whereas the modern periodic table is based on atomic number
  • Mendeleev's was based on atomic number whereas the modern periodic table is based on atomic mass
  • Mendeleev's was based on elements whereas the modern periodic table is based on metalloids
  • Mendeleev's was based on names whereas the modern periodic table was based on places
  • Mendeleev's was based on atoms whereas the modern periodic table is based on atomic number

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Quipper School UK Curriculum

Key Stage 3 Science

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