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The periodic table

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Question 17

Which statement(s) about the elements in the periodic table is/are correct?

  1. Elements in the modern periodic table are arranged in order of increasing atomic (proton) number.
  2. Elements in the same period of the periodic table have the same number of outer-shell electrons.
  3. Transition elements typically have high densities and exhibit variable oxidation states.

1, 2 and 3

Only 1 and 2

Only 1 and 3

Only 2 and 3

The periodic table Questions

  1. A Level
  2. /Chemistry
  3. /The periodic table