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 proportions 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 in 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 De Broglie
- 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…)