Lesson Worksheet: The Periodic Table Chemistry • 7th Grade

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:

According to which property are the elements in the modern periodic table organized left to right?

  • 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:

Which atomic feature do elements in the same period of the periodic table contain an equal number of?

  • 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:

Consider the equation below: 2X+3ClXCl226 Which one of the following groups could X be in?

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

Q10:

Which of the following is an alkaline earth metal?

  • AScandium
  • BRubidium
  • CStrontium
  • DLithium
  • EYttrium

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