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Periodic Table Practice Tests

These Grade 10 Science practice tests develop understanding of periodic law, groups, periods, element families, metals, nonmetals, metalloids, valence electrons, atomic trends, ionization energy, electronegativity, and ion prediction.

Skills covered

  • Reading groups, periods, atomic number, metals, nonmetals, metalloids, and the staircase boundary
  • Recognizing alkali metals, alkaline earth metals, transition metals, halogens, noble gases, and chalcogens
  • Explaining trends in atomic radius, ionization energy, electronegativity, metallic character, shielding, and nuclear charge
  • Using valence electrons and simple electron arrangements to locate elements and predict reactivity
  • Predicting common ions, ionic formulas, element comparisons, and periodic-table limitations

How to use these practice tests

Locate the element first, then identify its group, period, family, and valence-electron pattern. Use the direction of a periodic trend to compare elements and justify predictions about ions or compounds.

For more Grade 10 Science practice, return to the Grade 10 Science category.

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Grade 10 Periodic Table Practice Tests

Practice Grade 10 Science questions about periodic law, groups, periods, element families, metals, nonmetals, metalloids, valence electrons, periodic trends, and ion prediction.

Choose the best answer. Use the element position, family, valence electrons, and periodic trends to compare properties and predict likely ions or formulas.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

What are Group 17 elements called?

Please select an answer first.

Correct answer: A

The correct answer is Halogens.

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: Group 17 contains the halogens, reactive nonmetals that commonly gain one electron.
  3. Check the prediction: The correct answer is Halogens.

Group 17 contains the halogens, reactive nonmetals that commonly gain one electron.

2. QuestionMultiple choice

What are Group 18 elements called?

Please select an answer first.

Correct answer: B

The correct answer is Noble gases.

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: Group 18 contains the noble gases with especially stable outer electron levels.
  3. Check the prediction: The correct answer is Noble gases.

Group 18 contains the noble gases with especially stable outer electron levels.

3. QuestionMultiple choice

Which family commonly forms 2+ ions?

Please select an answer first.

Correct answer: C

The correct answer is Alkaline earth metals.

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: Group 2 metals commonly lose two valence electrons and form 2+ cations.
  3. Check the prediction: The correct answer is Alkaline earth metals.

Group 2 metals commonly lose two valence electrons and form 2+ cations.

4. QuestionMultiple choice

What are transition metals?

Please select an answer first.

Correct answer: D

The correct answer is Elements in the central d-block of the periodic table.

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: Transition metals occupy the central block between the main-group metals.
  3. Check the prediction: The correct answer is Elements in the central d-block of the periodic table.

Transition metals occupy the central block between the main-group metals.

5. QuestionMultiple choice

Which statement describes halogens?

Please select an answer first.

Correct answer: A

The correct answer is They are reactive nonmetals with seven valence electrons in their common main-group pattern..

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: Halogens need one electron to complete a typical outer level, which contributes to their reactivity.
  3. Check the prediction: The correct answer is They are reactive nonmetals with seven valence electrons in their common main-group pattern..

Halogens need one electron to complete a typical outer level, which contributes to their reactivity.

6. QuestionMultiple choice

Why are noble gases generally unreactive?

Please select an answer first.

Correct answer: B

The correct answer is Their valence energy levels are filled or especially stable..

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: A filled outer level reduces the tendency to gain, lose, or share electrons.
  3. Check the prediction: The correct answer is Their valence energy levels are filled or especially stable..

A filled outer level reduces the tendency to gain, lose, or share electrons.

7. QuestionMultiple choice

Why do alkali metals react readily?

Please select an answer first.

Correct answer: C

The correct answer is They can lose one valence electron relatively easily..

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: Their single outer electron is relatively easy to remove, producing a stable ion configuration.
  3. Check the prediction: The correct answer is They can lose one valence electron relatively easily..

Their single outer electron is relatively easy to remove, producing a stable ion configuration.

8. QuestionMultiple choice

Which family includes oxygen and sulfur?

Please select an answer first.

Correct answer: D

The correct answer is Group 16 elements, often called the chalcogens.

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: Oxygen and sulfur are in Group 16, the family commonly called chalcogens.
  3. Check the prediction: The correct answer is Group 16 elements, often called the chalcogens.

Oxygen and sulfur are in Group 16, the family commonly called chalcogens.

9. QuestionMultiple choice

Which elements are found in Period 3?

Please select an answer first.

Correct answer: A

The correct answer is Na, Mg, Al, Si, P, S, Cl, and Ar.

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: Period 3 begins with sodium and ends with argon, containing eight elements.
  3. Check the prediction: The correct answer is Na, Mg, Al, Si, P, S, Cl, and Ar.

Period 3 begins with sodium and ends with argon, containing eight elements.

10. QuestionMultiple choice

Why do elements in the same group often form similar compounds?

Please select an answer first.

Correct answer: B

The correct answer is They have similar numbers and arrangements of valence electrons..

  1. Locate the element or trend: Determine whether the question asks about a group, period, family, valence electrons, atomic size, ionization energy, electronegativity, or reactivity.
  2. Apply the periodic relationship: Valence-electron patterns influence bonding and the common ion charges of main-group elements.
  3. Check the prediction: The correct answer is They have similar numbers and arrangements of valence electrons..

Valence-electron patterns influence bonding and the common ion charges of main-group elements.

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