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Questions and Answers
What is the basis for the periodicity of chemical properties in the periodic table?
What is the basis for the periodicity of chemical properties in the periodic table?
- Arrangement of elements based on decreasing atomic number
- Arrangement of elements based on increasing atomic mass
- Arrangement of elements based on increasing atomic number (correct)
- Arrangement of elements based on decreasing atomic mass
What shows corresponding periodicity due to the number of valence electrons in elements?
What shows corresponding periodicity due to the number of valence electrons in elements?
- Electronegativity
- Atomic mass
- Atomic radius
- Chemical properties (correct)
What occurs at regular intervals in the periodic table?
What occurs at regular intervals in the periodic table?
- Elements with an equal number of neutrons
- Elements with an equal number of valence electrons (correct)
- Elements with an equal number of protons
- Elements with an equal number of electrons in total
