Worksheet: The Structure of the Periodic Table

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?

  • ALivermorium
  • BLanthanum
  • CLead
  • DLawrencium
  • ELutetium

Q2:

Which of the following is a lanthanide?

  • APlutonium
  • BProtactinium
  • CPolonium
  • DPraseodymium
  • EPotassium

Q3:

Which of the following is a main-group element?

  • AManganese
  • BAmericium
  • CZinc
  • DPhosphorus
  • EUranium

Q4:

Which of the following is a p-block element?

  • AHydrogen
  • BBarium
  • CNickel
  • DLead
  • ECerium

Q5:

Which of the following is a poor metal?

  • AMercury
  • BZinc
  • CSilicon
  • DTin
  • EGermanium

Q6:

In which group of the Periodic Table do atoms have a valence shell electron configuration of ( 𝑛 1 ) 𝑛 d s 5 2 ?

Q7:

In which group of the Periodic Table do atoms have a valence shell electron configuration of 𝑛 s 2 𝑛 p 3 ?

Q8:

Chlorine is an example of which group of elements in the Periodic Table?

  • AChalcogens
  • BPnictogens
  • CNoble gases
  • DHalogens
  • ELanthanides

Q9:

Calcium is an example of which group of elements in the Periodic Table?

  • ARare earth metals
  • BAlkali metals
  • CTransition metals
  • DAlkaline earth metals
  • EMetalloids

Q10:

Sodium is an example of which group of elements in the Periodic Table?

  • ARare earth metals
  • BAlkaline earth metals
  • CLanthanides
  • DAlkali metals
  • EActinides

Q11:

Sulfur is an example of which group of elements in the Periodic Table?

  • AHalogens
  • BPnictogens
  • CPost-transition metals
  • DChalcogens
  • EMetalloids

Q12:

Krypton is an example of which group of elements in the Periodic Table?

  • AHalogens
  • BPnictogens
  • CActinides
  • DNoble gases
  • ERare earth metals

Q13:

Selenium is an example of which group of elements in the Periodic Table?

  • AAlkaline earth metals
  • BPnictogens
  • CNoble gases
  • DChalcogens
  • EPost-transition metals

Q14:

Barium is an example of which group of elements in the Periodic Table?

  • ALanthanides
  • BAlkali metals
  • CNoble metals
  • DAlkaline earth metals
  • EPost-transition metals

Q15:

Lithium is an example of which group of elements in the Periodic Table?

  • AActinides
  • BAlkaline earth metals
  • CNoble metals
  • DAlkali metals
  • ERare earth metals

Q16:

Which element is a noble gas and in the same period as germanium?

  • ABromine
  • BNeon
  • CArgon
  • DKrypton
  • EIodine

Q17:

Which element is an alkaline earth metal and in the same period as selenium?

  • AStrontium
  • BPotassium
  • CSulfur
  • DCalcium
  • EBarium

Q18:

Which element is a halogen and in the same period as lithium?

  • AChlorine
  • BOxygen
  • CHelium
  • DFluorine
  • EHydrogen

Q19:

Which element is a chalcogen and in the same period as cadmium?

  • AMercury
  • BAntimony
  • CSelenium
  • DTellurium
  • EIodine

Q20:

Which of the following generally decreases across a period?

  • AEffective nuclear charge
  • BRadius of the most stable ion
  • CElectron affinity
  • DAtomic radius
  • EIonization energy

Q21:

If the following elements were found in a binary ionic compound as monoatomic ions, what would their charge most likely be?

M g

  • A3+
  • B+
  • C4+
  • D2+
  • E0

A l

  • A3+
  • B4+
  • C2+
  • D+
  • E0

O

  • A 4
  • B0
  • C 2
  • D
  • E 3

C l

  • A
  • B 4
  • C 3
  • D0
  • E 2

C s

  • A4+
  • B3+
  • C2+
  • D+
  • E0

Q22:

Which of the following elements would most commonly form positive ions in a binary ionic compound?

  • A S
  • B F
  • C O
  • D C d
  • E P

Q23:

Which of the following elements would most commonly form negative ions in a binary ionic compound?

  • A P b
  • B I n
  • C C s
  • D I
  • E A l

Q24:

In which group of the Periodic Table do atoms have a valence shell electron configuration of 𝑛 s2 𝑛 p3?

Q25:

In which group of the Periodic Table do atoms have a valence shell electron configuration of ( 𝑛 1 ) d5 𝑛 s2?

  • A3
  • B5
  • C9
  • D7
  • E2

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