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Worksheet: Periods in the Periodic Table

Q1:

What is the shell number of the valence shell in a chlorine atom?

Q2:

For which of the following elements is the second electron shell the valence shell?

  • AHelium
  • BHydrogen
  • CAluminum
  • DCarbon
  • EChlorine

Q3:

How many occupied electron shells are present in a lithium atom?

Q4:

In which period of the Periodic Table is the fourth electron shell of an atom the valence shell?

Q5:

How many occupied electron shells are present in a hydrogen atom?