Understanding the Structure of the Atom Class 9 Science Chapter 4 CBSE notes is essential for students because it lays the foundation for concepts in chemistry and physics. It helps in comprehending how different elements interact, the nature of chemical reactions, and the basis for the periodic table of elements.
Question : What are the components of the nucleus of an atom?
Option 1: Only protons
Option 2: Protons and neutrons
Option 3: Neutrons and electrons
Option 4: Only neutrons
Question : The atomic number of an atom gives the number of which of the following?
Option 1: Electron
Option 2: Protons
Option 3: Neutrons
Option 4: Neutrons and protons
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