In this chapter, we will be learning about matter and its different forms. We will explore atoms, molecules, and ions, and understand how they make up everything around us.
We will also study the existence of elements in various forms and how they are classified in the Modern Periodic Table of Elements. We will analyze the table and deduce the principles behind arranging the elements.
Additionally, we will learn about isotopes, which are atoms with the same number of protons but different numbers of neutrons. We will study examples of isotopes and learn how to determine the number of protons, neutrons, and the nucleon number of isotopes.
• Explain with examples atoms, molecules and ions
• Explain the existence of elements in various form
• Analyse the Modern Periodic Table of Elements
• Deduce the principle of arranging the elements in the Modern Periodic Table of Elements
• Draw and write the electron arrangement of elements in its group
• Explain the formation of positive and negative ions
• Justify the loss and gain of electrons to achieve the stable electron arrangement
• Describe isotopes with examples
• Determine the number of protons, number of neutrons and nucleon number of isotopes
• Communicate about the use of isotopes in various fields
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