Lesson Worksheet: The Structure of the Periodic Table Chemistry • 7th Grade

In this worksheet, we will practice explaining the arrangement of groups and periods in the periodic table in terms of valency and electron configuration.

Q1:

Which of the following is an actinide?

  • ALanthanum
  • BLutetium
  • CLead
  • DLivermorium
  • ELawrencium

Q2:

Which of the following is a lanthanide?

  • APotassium
  • BPolonium
  • CProtactinium
  • DPraseodymium
  • EPlutonium

Q3:

Which of the following is a main group element?

  • AUranium
  • BPhosphorus
  • CZinc
  • DAmericium
  • EManganese

Q4:

Which of the following is a p-block element?

  • ACerium
  • BHydrogen
  • CNickel
  • DLead
  • EBarium

Q5:

Which of the following is a poor metal?

  • AGermanium
  • BTin
  • CZinc
  • DSilicon
  • EMercury

Q6:

Which of the following generally decreases across a period?

  • ARadius of the most stable ion
  • BIonization energy
  • CEffective nuclear charge
  • DAtomic radius
  • EElectron affinity

Q7:

The given statements represent coordinates on the periodic table. At which of these coordinates is there an element that is not a metal?

  • AGroup 15, period 7
  • BGroup 14, period 6
  • CGroup 9, period 4
  • DGroup 13, period 2
  • EGroup 6, period 4

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