Structure of atom An atom contains three basic particles namely protons, neutrons and electrons. The nucleus of the atom contains protons and neutrons where protons are positively charged and neutrons are neutral. The electrons are located at the outermost regions called the electron .

In nucleus protons and neutrons are present This solution contains questions, answers, images, step by step explanations of the complete Chapter 4 titled Structure of the Atom of Science taught in class 9. If you are a student of class 9 who is using NCERT Textbook to study Science, then you must come across Chapter 4 Structure of the Atom. After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom in one place. For a better understanding of this chapter, you should also see Chapter 4 Structure of the Atom Class 9 notes , Science.