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Language of Chemistry

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

Symbols of Elements

Subtopic

Symbols of Elements under Language of Chemistry for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The chemical symbol RaRa stands for which radioactive element?

    A.

    Radon

    B.

    Radium

    C.

    Rhenium

    D.

    Rubidium

  2. 2.

    Which of these is a single-letter symbol for an element?

    A.

    Ne

    B.

    Mg

    C.

    F

    D.

    Cl

  3. 3.

    The symbol HeHe has two letters. Which other element has a two-letter symbol?

    A.

    Boron

    B.

    Phosphorus

    C.

    Lithium

    D.

    Sulfur

Download the worksheet for Language of Chemistry - Symbols of Elements to practice offline. It includes additional chapter-level practice questions.

Writing Chemical Formulae

Subtopic

Writing Chemical Formulae under Language of Chemistry for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of these is the correct symbol for Fluorine?

    A.

    FlFl

    B.

    FuFu

    C.

    FF

    D.

    FeFe

  2. 2.

    What is the formula for Carbon monoxide?

    A.

    COCO

    B.

    CO2CO_2

    C.

    C2OC_2O

    D.

    CO3CO_3

  3. 3.

    The symbol 'HeHe' represents which noble gas?

    A.

    Hydrogen

    B.

    Hafnium

    C.

    Helium

    D.

    Mercury

Download the worksheet for Language of Chemistry - Writing Chemical Formulae to practice offline. It includes additional chapter-level practice questions.

Chemical Equations

Subtopic

Chemical Equations under Language of Chemistry for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    How many Hydrogen atoms are there in one molecule of NH3NH_3?

    A.

    1

    B.

    2

    C.

    3

    D.

    4

  2. 2.

    What is the formula for the Ammonium radical?

    A.

    NH3NH_3

    B.

    NH4NH_4

    C.

    NH2NH_2

    D.

    N2HN_2H

  3. 3.

    Which of the following is the symbol for Helium?

    A.

    H

    B.

    Hl

    C.

    He

    D.

    Ha

Download the worksheet for Language of Chemistry - Chemical Equations to practice offline. It includes additional chapter-level practice questions.

Balancing Equations

Subtopic

Balancing Equations under Language of Chemistry for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In the skeletal equation H2+O2→H2OH_{2} + O_{2} \rightarrow H_{2}O, which element is unbalanced?

    A.

    Hydrogen

    B.

    Oxygen

    C.

    Both Hydrogen and Oxygen

    D.

    Neither

  2. 2.

    What is the symbol for the element Potassium?

    A.

    P

    B.

    Po

    C.

    K

    D.

    Pt

  3. 3.

    Which side of the chemical equation shows the substances that react together?

    A.

    Right side

    B.

    Left side

    C.

    Above the arrow

    D.

    Below the arrow

Download the worksheet for Language of Chemistry - Balancing Equations to practice offline. It includes additional chapter-level practice questions.

Language of Chemistry - Class 7 Science (ICSE) | Krit.club