Chemistry 1

സയൻസിലെ രണ്ടാമത്തെ ഭാഗമായ രസതന്ത്രത്തിലേക്ക് കടക്കുമ്പോൾ ആദ്യം ആറ്റം, ഘടകങ്ങൾ, മോഡലുകൾ, പ്രധാന ശാസ്ത്രജ്ഞന്മാർ എന്നിവയാണ് ആദ്യ പാഠത്തിൽ ഉൾക്കൊള്ളിച്ചിരിക്കുന്നത് 

• Ancient name of Chemistry

               Alchemy

• Father of Chemistry

               Robert Boyle

• Father of Modern Chemistry

               Antoine Lavoisier

• International year of Chemistry

               2011

• All substances are made up of tiny particles called

               Atoms

• Meaning of the word Atom (Greek word atomos)

               Indivisible

• Atom was discovered by

               John Dalton

• Law of multiple proportion was put forward by

               John Dalton

• First atomic theory was put forward by

               John Dalton

• The term 'Atom' was coined by

               Ostwald

• Fundamental particles of Atom

               Proton, Neutron and Electron

• Center of Atom that contains Protons and Neutron

               Nucleus

• Sub atomic particles in Nucleus (Nucleons)

               Proton and Neutron

• Heaviest Sub atomic particle

               Neutron

• Lightest Sub atomic particle

               Electron

• Moving particle of Atom

               Electron

• Antiparticle of Neutron with same mass of a Neutron

               Anti-neutron

• Antiparticle of Proton with same mass of a Proton

               Anti-proton

• Nuclear particle with the mass of an Electron but opposite charge

               Positron

• Electron was discovered by

               JJ Thomson

• Proton was discovered by

               Ernest Rutherford

• Nucleus was discovered by

               Ernest Rutherford

• Neutron was discovered by

               James Chadwick

• Charge of Electron

               Negative

• Charge of Proton

               Positive

• Charge of Nucleus

               Positive

• Charge of Neutron

               No Charge

• Chemical property of a substance is determined by

               Electrons

• Number of Protons present in the nucleus of an Atom

               Atomic Number (Z)

• Total number of Protons and Neutrons present in the nucleus of an Atom

               Mass Number (A)

• An atom is bigger than its Nucleus

               105 times

• Circular path on which electrons move around is called

               Orbit

• The orbit followed by moving electrons around Nucleus of an Atom is called

               Shell

• Maximum number of electrons in a shell is

               2n² (n- Number of Shell)

• The first model of atom was put forwarded by

               Neils Bohr

• The most acceptable model of atom

               Bohr's Model

• Planetary model or Nuclear model of atom was put forwarded by

               Rutherford

• Plum pudding, Molecular model of atom was put forwarded by

               J J Thomson

• Wave mechanics model of atom was put forwarded by

               Max Plank

• Dual nature of Electron was put proposed by

               Louis Debroglie

• Uncertainty principle was put proved by 

               Werner Heisenberg

• Atom without Nuetron

               Hydrogen

• Unit of measuring mass of an Atom is

               Atomic Mass Unit (a.m.u)

• Element used to find a.m.u

               Carbon 12
                                                                                                    (To be Continued...)