neutron – HIGH TIME STUDY

Class 9th – STRUCTURE OF ATOM (Atomic & Mass Number)

By Smriti KanchanPosted on 4 Jul 20204 Jul 2020Posted in SCHOOL EDUCATIONTagged atom, atomic, class 9, electron, mass, neutron, number, proton, structure

We have already discussed the model of an atom and also were the subatomic particles are present inside an atom. Atomic Number As we know that the protons are present inside the nucleus , so the atomic no. of an element is defined as the number of protons present in an atom. Therefore, atomic number […]

Class 9th – STRUCTURE OF ATOM (Subatomic Particles)

By Smriti KanchanPosted on 4 Jul 20204 Jul 2020Posted in SCHOOL EDUCATIONTagged anode, atom, cathode, chadewick, class 9, electron, goldstein, neutron, nucleus, proton, ray, structure, thomson

We have already discussed in the chapter of atoms and molecules, how atoms are made and how molecules are made. In this chapter we will study in detail about the structure of Atom. An atom is made up of 3 sub-atomic particles; Protons. Electrons. Neutrons. PROTONS The discovery of proton was done by E. Goldstein. […]

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