Worksheet: The Periodic Table

In this worksheet, we will practice defining groups, periods, and blocks and linking the properties of elements to their positions in the periodic table.

Q1:

The elements on the modern Periodic Table are organized left to right according to which property?

  • AReactivity
  • BRelative atomic mass
  • CMelting point
  • DAtomic number
  • EDensity

Q2:

Which of the following best describes a period in the Periodic Table?

  • AA collection of elements in a single column
  • BA collection of elements in a single diagonal
  • CAll elements with a specific number of neutrons in their nuclei
  • DAll nonmetals
  • EA collection of elements in a single row

Q3:

Which of the following best describes a group in the Periodic Table?

  • AA collection of elements in a single diagonal
  • BA collection of elements in a single row
  • CAll non-metals
  • DAll elements with a specific number of neutrons in their nuclei
  • EA collection of elements in a single column

Q4:

What do elements in the same group of the periodic table contain an equal number of?

  • AValence electrons
  • BElectrons
  • CValence electron orbitals
  • DValence electron shells
  • EElectron shells

Q5:

Elements in the same period of the Periodic Table contain an equal number of which atomic feature?

  • AElectron shells
  • BNeutrons
  • CElectrons
  • DProtons
  • EElectron orbitals

Q6:

Which of the following shows a period on the Periodic Table?

  • A
  • B
  • C
  • D

Q7:

Which of the following shows a group on the periodic table?

  • A
  • B
  • C
  • D

Q8:

Phosphorus is in Group 15 of the Periodic Table. How many covalent bonds does an atom of phosphorus usually form?

Q9:

Given the equation below, which one of the following groups could X be in? 2X+3ClXCl226

  • AGroup 15
  • BGroup 13
  • CGroup 17
  • DGroup 2

Q10:

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

Q11:

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

  • AHydrogen
  • BHelium
  • CCarbon
  • DAluminum
  • EChlorine

Q12:

Which of the following is an alkaline earth metal?

  • AScandium
  • BRubidium
  • CStrontium
  • DLithium
  • EYttrium

Q13:

Oxygen commonly forms two covalent bonds. In which group of the Periodic Table is oxygen located?

  • AGroup 16
  • BGroup 6
  • CGroup 4
  • DGroup 2
  • EGroup 18

Q14:

For the given reaction, which of the following elements could be represented by X? X+2ClXCl24

  • ASilicon
  • BCalcium
  • CIndium
  • DRubidium

Q15:

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

Q16:

In which group of the periodic table is there an atom with a valence shell electron configuration of (𝑛1)𝑛ds?

Q17:

Fill in the blank: For the given reaction, element X is a element. X+2HOX(OH)+H222

  • Agroup 2
  • Bgroup 15
  • Cgroup 17
  • Dgroup 1

Q18:

Aluminum is in Group 13. How many electrons are there in the valence shell of an aluminum atom?

Q19:

In which group of the periodic table is there an atom with a valence shell electron configuration of (𝑛1)d 𝑛s?

Q20:

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

Q21:

Magnesium forms Mg2+ ions. In which group of the Periodic Table is magnesium located?

  • AGroup 1
  • BGroup 18
  • CGroup 0
  • DGroup 2
  • EGroup 4

Q22:

Sulfur is in Group 16. What is the charge of the sulfide anion?

Q23:

For the following reaction, which of the given elements could X represent? 2X+F2XF2

  • APotassium
  • BStrontium
  • CMagnesium
  • DGallium

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