Chemistry, 08.12.2020 07:40 toxsicity

Which of the following are FALSE about periods on the periodic table. 1.Elements having similar properties are in the same period.
2.Atoms of elements in the same period have the same number of valence electrons.
3.Elements in a period are arranged by increasing number of protons.
4.Each period is given a name such as Alkali Metals or Halogens

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Which of the following are FALSE about periods on the periodic table. 1.Elements having similar pro...