Branches of Science, Elements and Compounds CLAT Notes | EduRev

Different Branches of Science

Branch ➜ Concerning Field

1. Aeronautics ➜ Science of flight of aeroplanes.
2. Astronomy ➜ Study of heavenly bodies.
3. Agronomy ➜ Science dealing with crop plants.
4. Angiology ➜ Deals with the study of the blood vascular system.
5. Anthology ➜ Study of flowers.
6. Anthropology ➜ Study of apse and man.
7. Apiculture ➜ Honey industry (Bee Keeping)
8. Araneology ➜ Study of spiders.
9. Batracology ➜ Study of frogs.
10. Biochemistry ➜ Deals with the study of chemical reactions in relation to life activities.
11. Biotechnology ➜ Deals with the use of micro-organisms in commercial processes for producing fine chemicals such as drugs, vaccines, hormones, etc. on a large scale. 
12. Cardiology ➜ Study of heart.
13. Craniology ➜ Study of skulls.
14. Cryptography ➜ Study of secret writing.
15. Cryogenics ➜ Study concerning with the application and uses of very low temperature.
16. Cytology ➜ Study of cells.
17. Dermatology ➜ Study of skin.
18. Ecology ➜ The study of the relationship between organisms and the environment.
19. Entomology ➜ Study of insects.
20. Etiology ➜ Study of the cause of disease.
21. Eugenics ➜ Study of improvement of the human race by applying laws of heredity. It is related to future generations.
22. Evolution ➜ Deals with the study of the origin of new from old.
23. Exobiology ➜ Deals with life or possibilities of life beyond the earth.
24. Floriculture ➜ Study of flower yielding plants.
25. Geology ➜ Study of condition and structure of the earth.
26. Genetics ➜ Study of heredity and variations.
27. Gerontology ➜ Study of female reproductive organs.
28. Horticulture ➜  Study of garden cultivation.
29. Haematology ➜ Study of blood.
30. Herpetology ➜ Study of liver.
31. Iconography ➜ Teaching by pictures and models.
32. Immunology ➜ Science which deals with the study of resistance of organisms against infection.
33. Jurisprudence ➜ Science of law.
34. Kalology ➜ Study of human beauty.
35. Lexicography ➜ Compiling of a dictionary.
36. Mycology ➜ Study of fungi.
37. Myology ➜ Study of muscles.
38. Nephrology ➜ Study of kidneys.
39. Neurology ➜ Study of nervous system.
40. Numismatics ➜ Study of coins and medals.
41. Obstetrics ➜ Branch of medicine dealing with pregnancy.
42. Oneirology ➜ Study of dreams.
43. Ophthalmology ➜ Study of eyes.
44. Ornithology ➜ Study of birds.
45. Osteology ➜ Study of bones.
46. Palaeontology ➜ Study of fossils.
47. Philately ➜ Stamp collecting.
48. Philology ➜ Study of languages.
49. Phonetics ➜ Concerning the sounds of a spoken language.
50. Physiography ➜ Nature phenomenon.
51. Pedology ➜ Study of soils.
52. Pathology ➜ Study of disease causing organisms.
53. Phycology ➜  Study of algae.
54. Physiology ➜ Science dealing with the study of functions of various parts of organisms.
55. Pisciculture ➜ Study of fish.
56. Pomology ➜ Study of fruits.
57. Seismology ➜ Study of earthquakes.
58. Sericulture ➜ Silk industry (culture of silk moth and pupa).
59. Serpentology ➜ Study of snakes.
60. Telepathy ➜ Communication between two minds at a distance with the help of emotions.
61. Taxonomy ➜ Study of classification of organisms.
62. Virology ➜ Study of virus.

Elements, Symbols And Atomic Numbers

Element(Symbol) ➜ Atomic Number

1. Hydrogen (H) ➜ 1
2. Helium (He) ➜ 2
3. Lithium (Li) ➜ 3
4. Beryllium (Be) ➜ 4    
5. Boron (B) ➜ 5    
6. Carbon (C) ➜ 6    
7. Nitrogen (N) ➜ 7    
8. Oxygen (O) ➜ 8    
9. Fluorine (F) ➜ 9    
10. Neon (Ne) ➜ 10    
11. Sodium (Natrium)  (Na) ➜ 11    
12. Magnesium (Mg) ➜ 12    
13. Aluminium (Al) ➜ 13    
14. Silicon (Si) ➜ 14    
15. Phosphorous (P) ➜ 15    
16. Sulphur (S) ➜ 16    
17. Chlorine (Cl) ➜ 17    
18. Argon (Ar) ➜ 18    
19. Potassium (Kalium) (K) ➜ 19    
20. Calcium (Ca) ➜ 20    
21. Titanium (Ti) ➜ 22    
22. Vanadium (V) ➜ 23    
23. Chromium (Cr) ➜ 24    
24. Manganese (Mn) ➜ 25
25. Iron (Ferrum) (Fe) ➜ 26
26. Cobalt (Co) ➜ 27
27. Nickel  (Ni) ➜ 28
28. Copper (Cuprum) (Cu) ➜ 29
29. Zinc (Zn) ➜ 30
30. Germanium (Ge) ➜ 32
31. Bromine (Br) ➜ 35
32. Krypton (Kr) ➜ 36
33. Zirconium (Zr) ➜ 40
34. Silver (Ag) ➜ 47
35. Tin (Stannum) (Sn) ➜ 50
36. Antimony (Stabnium) (Sb) ➜ 51
37. Iodine  (I) ➜ 53
38. Barium  (Ba) ➜ 56
39. Gold (Aurum) (Au) ➜ 79
40. Mercury (Hydragerm) (Hg) ➜ 80
41. Lead (Plumbum) (Pb) ➜ 82
42. Bismuth (Bi) ➜ 83
43. Radium (Ra) ➜ 88
44. Thorium (Th) ➜ 90
45. Uranium (U) ➜ 92
46. Plutonium (Pu) ➜ 94
47. Curium (Cm) ➜ 96

Common and Chemical Names of Some Compounds

Common Name ➜ Chemical Name (Chemical Formula)

1. Dry ice ➜ Solid Carbon Dioxide (CO₂)
2. Slaked Lime ➜ Calcium Hydroxide (Ca(OH)₂)
3. Bleaching Powder ➜ Calcium Oxychloride (CaOCI₂)
4. Nausadar ➜ Ammonium Chloride (NH₄CI)
5. Caustic Soda ➜ Sodium Hydroxide (NaOH)
6. Rock Salt ➜ Sodium Chloride (NaCI)
7. Caustic Potash ➜ Potassium Hydroxide (KOH)
8. Potash Alum ➜ Potassium Aluminium Sulphate (K₂SO₄.AI₂(SO₄)₃.24H₂O)
9. Epsom ➜ Magnesium Sulphate (MgSO₄.7H₂O)
10. Quick Lime ➜ Calcium Sulphate (CaO)
11. Plaster of Paris ➜ Calcium Sulphate (CaSO₄)^1/2 H₂O
12. Gypsum ➜ Calcium Sulphate (CaSO₄.2H₂O)
13. Green Vitriol ➜ Ferrous Sulphate (FeSO₄.7H₂O)
14. Mohr’s Salt ➜ Ammonium Ferrous Sulphate (FeSO₄ (NH₄)₂SO₄.6H₂O)
15. Blue Vitriol ➜ Copper Sulphate (CuSO₄.5H₂O)
16. White Vitriol ➜ Zinc Sulphate (ZnSO₄.7H₂O)
17. Marsh Gas ➜ Methane (CH₄)
18. Vinegar ➜ Acetic Acid  (CH₃COOH)
19. Potash Ash ➜ Potassium Carbonate (K₂CO₃)
20. Hypo ➜ Sodium Thiosulphate (Na₂S₂O₃.5H₂O)
21. Baking Powder ➜ Sodium Bicarbonate (NaHCO₃)
22. Washing Soda ➜ Sodium Carbonate (Na₂CO₃.10H₂O)
23. Magnesia ➜ Magnesium Oxide (MgO)
24. Chalk (Marble) ➜ Calcium Carbonate (CaCO₃)
25. Lunar Caustic ➜ Silver Nitrate (AgNO₃)
26. Laughing Gas ➜ Nitrous Oxide (N₂O)
27. Chloroform ➜ Trichloro Methane (CHCI₃)
28. Vermelium ➜ Mercuric Sulphide (HgS)
29. Borax ➜ Borax (Na₂B₄O₇.10H₂O)
30. Alcohol ➜ Ethyl Alcohol (C₂H₅OH)
31. Sugar ➜ Sucrose (C₁₂H₂₂O₁₁)
32. Heavy Water ➜ Deuterium Oxide (D₂O)
33. Globar’s Salt ➜ Sodium Sulphate (Na₂SO₄.10H₂O)
34. T.N.T. ➜ Tri Nitrotoluene  (C₅H₂CH₃(NO₂)₃)
35. Calomel ➜ Mercurous Chloride (Hgci)
36. Sand ➜ Silicon Oxide (SiO₂)