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ICSE Class 10 Periodic Table & Periodic Properties — practice questions — page 4

Explore 99 free Periodic Table & Periodic Properties questions in ICSE Class 10 Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Periodic Table & Periodic Properties questions and exercises with answers

Showing questions 91–99 of 99.

What electronic feature do elements in a group usually share?Read the answer and worked solution →Why do elements in one group often show similar chemistry?Read the answer and worked solution →Why does atomic size jump at the start of a new period?Read the answer and worked solution →How are atomic radius and first ionization energy related?Read the answer and worked solution →Why do many alkali metals have low ionization energies?Read the answer and worked solution →Match each atomic periodic property with its definition:Read the answer and worked solution →Match each periodic trend down a group (top to bottom) with its variation:Read the answer and worked solution →Match each element with its extreme periodic table property:Read the answer and worked solution →Match each block of modern periodic table with the valence subshell being filled:Read the answer and worked solution →

Worked practice questions

What electronic feature do elements in a group usually share?

  1. Similar outer-electron patterns
  2. Exactly matching atomic masses
  3. Exactly matching neutron counts
  4. Exactly matching atom sizes
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Correct answer: A. Similar outer-electron patterns

Shared valence configurations help explain similar group chemistry.

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Why do elements in one group often show similar chemistry?

  1. Shared valence patterns
  2. Equal average masses
  3. Matching neutron numbers
  4. Identical atomic sizes
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Correct answer: A. Shared valence patterns

Similar valence-electron arrangements promote similar reactions.

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Why does atomic size jump at the start of a new period?

  1. Protons leave the nucleus
  2. A new shell starts filling
  3. The valence shell empties
  4. Electrons lose all attraction
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Correct answer: B. A new shell starts filling

A new shell places electrons farther from the nucleus.

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