– In this part of the chapter discovery of electrons, protons and neutrons and their characteristics are briefly described. An overview of Rutherford model of atom, and Bohr model of atom is also given.Read More...
– In this part of the chapter Atomic number, Mass number, valency of elements, Isotopes, Isobars are described briefly.Read More...
Structure of the atom Worksheet-1
A. The rays consist of negatively charged particles
B. The rays consist of positively charged particles
C. The rays consist of neutral particles
A. Yes, they originate from anode
B. No, they originate from the gas filled in the discharge tube
C. They can be originated either from anode or cathode
Structure of the atom Worksheet-2
A. Protons B. Electrons and neutrons
C. Protons and neutrons D. Neutrons
A. Negatively charged B. Positively charged
C. NeutralRead More...
Structure of the atom Worksheet-3
A. Atomic Nucleus B. Electron
C. Proton D. Neutron
A. the same physical properties
B. different chemical properties
C. different number of neutronsRead More...