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Atomic Structure

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Atoms and Molecules

Subtopic

Atoms and Molecules under Atomic Structure for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the symbol for Mercury?

    A.

    Me

    B.

    Mg

    C.

    Hg

    D.

    My

  2. 2.

    Which of these is a tetra-atomic molecule?

    A.

    O3O_3

    B.

    P4P_4

    C.

    S8S_8

    D.

    H2H_2

  3. 3.

    The symbol for the element Tin is:

    A.

    Ti

    B.

    Tn

    C.

    Sn

    D.

    St

Download the worksheet for Atomic Structure - Atoms and Molecules to practice offline. It includes additional chapter-level practice questions.

Radicals

Subtopic

Radicals under Atomic Structure for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which radical is present in Calcium Hydroxide?

    A.

    H+H^{+}

    B.

    O2−O^{2-}

    C.

    OH−OH^{-}

    D.

    CO32−CO_{3}^{2-}

  2. 2.

    Name the S2−S^{2-} radical.

    A.

    Sulphate

    B.

    Sulphite

    C.

    Sulphide

    D.

    Sulphurous

  3. 3.

    A radical that carries a charge of +1 is:

    A.

    Ammonium

    B.

    Calcium

    C.

    Zinc

    D.

    Aluminium

Download the worksheet for Atomic Structure - Radicals to practice offline. It includes additional chapter-level practice questions.

Valency

Subtopic

Valency under Atomic Structure for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the standard valency of Nickel (NiNi)?

    A.

    1

    B.

    3

    C.

    4

    D.

    2

  2. 2.

    In the compound Silver chloride (AgClAgCl), what is the valency of Silver?

    A.

    1

    B.

    2

    C.

    3

    D.

    4

  3. 3.

    In Gold(III) chloride (AuCl3AuCl_3), what is the valency of Gold?

    A.

    1

    B.

    2

    C.

    3

    D.

    4

Download the worksheet for Atomic Structure - Valency to practice offline. It includes additional chapter-level practice questions.

Chemical Formulae

Subtopic

Chemical Formulae under Atomic Structure for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of these is the correct chemical formula for Sulphuric Acid?

    A.

    H2SH_2S

    B.

    H2SO3H_2SO_3

    C.

    H2SO4H_2SO_4

    D.

    HSO4HSO_4

  2. 2.

    What is the valency of Aluminum?

    A.

    1

    B.

    2

    C.

    3

    D.

    4

  3. 3.

    Which element has the symbol 'NN'?

    A.

    Neon

    B.

    Nickel

    C.

    Nitrogen

    D.

    Sodium

Download the worksheet for Atomic Structure - Chemical Formulae to practice offline. It includes additional chapter-level practice questions.

Atomic Structure - ICSE Class 7 Science Notes & Revision | Krit.club