Course Content
Theme 02: Physical and chemical Changes
Theme 03: Elements, Compounds and Mixtures
Theme 04: Atomic Structure
Theme 05: Language of Chemistry
Theme 06: Metals and Non-Metals.
Theme 07: Air and Atmosphere
ICSE Chemistry – 7
About Lesson

In our exploration of Metals and Non-Metals in Class 7 Chemistry, we’ve delved into the contrasting worlds of these two fundamental categories of elements. Here’s a summary of what we’ve covered:

  1. Introduction to Metals:

   – Metals are a diverse group of elements known for their luster, conductivity, and malleability.

   – They occupy the left and center of the periodic table.

  1. Properties of Metals:

   – Excellent conductors of heat and electricity.

   – Typically have high melting and boiling points.

   – Malleable and ductile—can be hammered into thin sheets or drawn into wires.

  1. Common Metals:

   – Examples include iron, copper, aluminum, and gold.

   – Each metal exhibits unique properties and applications.

  1. Non-Metals:

   – Found on the right side of the periodic table.

   – Generally lack the properties of metals.

  1. Properties of Non-Metals:

   – Poor conductors of heat and electricity.

   – May exist in various states—solid, liquid, or gas—at room temperature.

   – Lack the metallic luster and malleability.

  1. Common Non-Metals:

   – Examples include oxygen, nitrogen, carbon, and sulfur.

   – Essential components of diverse compounds, including organic molecules.

  1. Metal and Non-Metal Reactions:

   – Metals and non-metals often combine to form compounds through chemical reactions.

   – Understanding these reactions is crucial to comprehending the diversity of substances in our world.

  1. Corrosion and Rusting:

   – Metals are susceptible to corrosion, a gradual deterioration due to environmental factors.

   – Rusting of iron is a common example of corrosion.

  1. Application in Daily Life:

   – Metals and non-metals play vital roles in everyday life.

   – From the use of metals in construction and technology to the life-supporting properties of non-metals like oxygen, these elements are integral to our existence.

  1. Environmental Impact:

   – Understanding the environmental implications of metal extraction and usage.

   – Emphasizing responsible and sustainable practices.

By exploring the diverse properties and applications of metals and non-metals, Class 7 students have gained a foundational understanding of these essential elements, setting the stage for a deeper appreciation of the role of chemistry in the world around them.