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  • 1. An atom consists of neutrons, protons andelectrons. Protons and neutrons are present inside thenucleus. Nucleus has no charge.

2. They revolve in circularorbits around thenucleus. They are negativelycharged. Mass = 9.1 x 10-31kg 3. Protons are presentinside the nucleus. They are positivelycharged. Mass = 1.67x10-27kg 4. Neutrons are alsopresent inside thenucleus. They are neutral. Mass = 1.676x10-27kg 5. Nucleus is the centerpart of an atom. It consists of bothprotons and neutrons. Nucleus is positivelycharged. 6. SOLAR SYSTEM ATOMCENTRE : SUN CENTRE?????PLANETS: REVOLVE AROUND THESUNELECTRON.?????ORBIT: PATH THROUGH WHICHPLANETS MOVEORBIT????? 7. SOLAR SYSTEM ATOMCENTRE : SUN CENTRE :NUCLEUSPLANETS: REVOLVE AROUND THESUNELECTRON: REVOLVE AROUND THENUCLEUSORBIT: PATH THROUGH WHICHPLANETS MOVEORBIT:PATH THROUGH WHICHELECTRONS MOVE


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