Man gave names to all the elements

1. Hydrogen - from the Greek for water forming.
2. Helium - from the Greek helios, the sun, where it was first detected spectroscopically.
3. Lithium - from the Greek lithos, a stone
4. Beryllium - from the Greek beryllo, which was their name for the mineral beryl.
5. Boron - a combination of borax+carbon. Humphry Davy coined the name; the element came from the mineral borax and shared some properties of carbon.
6. Carbon - from the Latin carbo for charcoal.
7. Nitrogen - nitre forming. Nitre is an old name for potassium nitrate. Nitrogen was once called choke-damp in England.
8. Oxygen - from the Greek for acid forming.
9. Fluorine - from the Latin fluere to flow, after the tendency of the mineral fluorspar to melt in a flame.
10. Neon - from the Greek neos new.
11. Sodium - devised by its discoverer, Humpry Davy, from soda (sodium carbonate) which was named after the Latin sodanum, meaning headache remedy. The symbol Na comes from natrum, Latin for soda.
12. Magnesium - named after Magnesia, a region of Greece.
13. Aluminium - from the Latin alumen, bitter salt.
14. Silicon - from the Latin silex or silicis, flint.
15. Phosphorus - from the Greek phosphorus, the bringer of light.
16. Sulfur - from the Latin sulpur, meaning sulfur.
17. Chlorine - from the Greek chloros, greeny yellow.
18. Argon - from the Greek argos, lazy.
19. Potassium - from the English potash. Medieval Latin for potash is kalium, hence potassium's symbol is K.
20. Calcium - from the Latin calx, meaning lime (the agricultural lime, not the fruit).
21. Scandium - from the Latin Scandia, Scandinavia.
22. Titanium - named after the Greek Titans.
23. Vanadium - named after Vanadis, the Scandinavian goddess of beauty and love.
24. Chromium - from the Greek chroma, colour, after its colourful salts.
25. Manganese - a long story (see https://en.wikipedia.org/wiki/Manganese) but, like magnesium, named after Magnesia in Greece.
26. Iron - from the Anglo-Saxon iren. The Romans called it ferrum, hence the chemical symbol Fe.
27. Cobalt - from the German kobald, a goblin, which may in turn derive from the Greek cobalos, a mine.
28. Nickel - a shortening of the German kupfernickel, which means Devil's Copper. Medieval miners who found a red nickel ore resembling copper ore but which yielded no copper were not impressed.
29. Copper - from the Old English coper, derived from the Latin cuprum, which gives the element its symbol Cu.
30. Zinc - from the German zinke, which may have come from the Persian sing, stone.
31. Gallium - from the Latin name for France, Gallia.
32. Germanium - from the Latin name for Germany, Germania.
33. Arsenic - from the Greek word arsenikon for the yellow arsenic mineral orpiment.
34. Selenium - from the Greek Goddess of the Moon, Selene. Named by Jons Jacob Berzelius to pair with tellurium, which is named after the Earth.
35. Bromine - from the Greek bromos, stench.
36. Krypton - from the Greek kryptos, hidden.
37. Rubidium - from the Latin rubidius, deep ruby red. Named by Bunsen and Kirchoff after two conspicuous red lines in its emission spectrum.
38. Strontium - named after the mineral strontianite, which is in turn named after Strontian in Scotland.
39. Yttrium - one of four elements named after Ytterby in Sweden.
40. Zirconium - from the Arabic zargun, gold-coloured.
41. Niobium - after the Greek goddess of grief, Niobe.
42. Molybdenum - from the Greek molybdos, lead. Molybdenum ores were initially thought to be compounds of lead.
43. Technetium - from the Greek tekhnetos, artificial. It was the first element to be produced by artificial means.
44. Ruthenium - named after the Ruthenia region of Eastern Europe.
45. Rhodium - from the Greek rhodon, rose, after the colour of crystals of sodium rhodium chloride.
46. Palladium - named after the asteroid Pallas, which was discovered in 1802 at about the same time as palladium. The asteroid is named after Pallas, the Greek god of wisdom.
47. Silver - from the Anglo-Saxon siolfur. The Roman name for it was argentum, from which we get the symbol Ag.
48. Cadmium - from the Latin cadmia, the Roman name for the mineral calamine (zinc carbonate).
49. Indium - from the Latin indicum, violet, referring to the colour of the strongest line in indium's emission spectrum.
50. Tin - from the Anglo-Saxon tin. The Roman name was stannium, hence its symbol is Sn.
51. Antimony - from the Greek anti-monos, not alone. The Latin word for the mineral antimony sulfide was stibium, hence the symbol Sb.
52. Tellurium - from the Latin tellus, Earth. See Selenium (34).
53. Iodine - from the Greek iodes, violet.
54. Xenon - from the Greek xenos, stranger.
55. Caesium - from the Latin caesius, sky blue, because of the colour it produces in a flame.
56. Barium - from the Greek barys, heavy.
57. Lanthanum - from the Greek lanthanein, to lie hidden.
58. Cerium - after the asteroid Ceres, which was named after the Roman goddess of agriculture (hence cereals).
59. Praseodymium - from the Greek prasios didymos, green twin. Both this and neodymium were separated from a supposed element called didymium.
60. Neodymium - from the Greek neo didymos, new twin.
61. Promethium - after Prometheus, whole stole fire from the Greek gods and gave it to humans.
62. Samarium - named after its mineral samarskite, which was in turn named after Vasili Samarskij-Byhove, a prominent Russian mining engineer.
63. Europium - after Europe.
64. Gadolinium - named to honour the Swedish chemist Johan Gadolin.
65. Terbium - one of four elements named after Ytterby in Sweden.
66. Dysprosium - from the Greek dysprositos, hard to get, because it was originally very tedious to isolate.
67. Holmium - named after Holmia, the Latin name for Stockholm.
68. Erbium - one of four elements named after Ytterby in Sweden.
69. Thulium - from Thule, the ancient name for Scandinavia.
70. Ytterbium - one of four elements named after Ytterby in Sweden.
71. Lutetium - from Lutetia, the Latin name for Paris.
72. Hafnium - from Hafnia, the Latin name for Copenhagen.
73. Tantalum - from Tantalus in the Greek tales. The element was elusive and tantalisingly difficult to separate.
74. Tungsten - from the Swedish tung sten, heavy stone. If you wonder why its symbol is W...
75. Rhenium - from Rhenus, the Latin name for the river Rhine.
76. Osmium - from the Greek osme, smell. The metal gives off smelly osmium tetroxide.
77. Iridium - from the Latin name Iris, the goddess of the rainbow. Named for its colourful salts.
78. Platinum - from the Spanish platina, little silver.
79. Gold - an Anglo-Saxon word which may have come from geolo meaning yellow. The Latin word for it was aurum, hence its symbol Au.
80. Mercury - known by the Greeks as ὑδράργυρος (hydrargyros), meaning water-silver, and then by the Romans as hydrargyrum, hence its symbol Hg. It was then long known in English as quicksilver (quick as in living). The planet Mercury is fast moving like the fleet-footed Roman god, and the early alchemists used the symbol of the planet to represent the element.
81. Thallium - from the Greek thallos, a green shoot, after a green line in its emission spectrum.
82. Lead - an Anglo-Saxon word. The Latin name for it was plumbum, hence its symbol Pb.
83. Bismuth - thought to be from the Germain weisse masse, meaning white mass, which was latinized to bisemutum in the 16th century.
84. Polonium - after Poland, the native land of its discoverer, Marie Curie.
85. Astatine - from the Greek astatos, unstable.
86. Radon - named after radium, from which it is emitted after radioactive decay.
87. Francium - named after France, where it was discovered by Marguerite Perey.
88. Radium - from the Latin radius, a ray, as it gave out rays of faint blue light.
89. Actinium - from the Greek aktinos, also meaning a ray, as it too gives out light.
90. Thorium - named after Thor, the Scandinavium god of war.
91. Protactinium - from the Greek protos, first, because it is the precursor to forming actinium by radioactive decay.
92. Uranium - named after the planet Uranus, which is named after the Greek god of the sky.
93. Neptunium - named after the planet Neptune, which is named after the Roman god of the sea.
94. Plutonium - named after the "planet" Pluto, which is named after the Roman god of the underworld. You will notice that these three elements follow the order of planets in the Solar System (although Pluto is now only a dwarf planet).
95. Americium - after America, where it was first made.
96. Curium - in honour of Pierre and Marie Curie.
97. Berkelium - named after Berkeley, California, where it was first made.
98. Californium - named after the University of California, where it was first made.
99. Einsteinium - named after Albert Einstein.
100. Fermium - named after Enrico Fermi.
101. Mendelevium - named after Dmitri Mendeleev.
102. Nobelium - named after Alfred Nobel.
103. Lawrencium - named after Ernest O. Lawrence.
104. Rutherfordium - named after Ernest Rutherford.
105. Dubnium - named after the Russian town of Dubna where it was first made.
106. Seaborgium - named after Glenn T. Seaborg.
107. Bohrium - named after Niels Bohr.
108. Hassium - named after the German state of Hesse, which in Latin was Hassia.
109. Meitnerium - named after Lise Meitner.
110. Darmstadtium - named after the German city of Darmstadt where it was first proved that the element had been made.
111. Roentgenium - named after the German physicist Wilhelm Conrad Röntgen, the discoverer of X-rays.
112. Copernicium - named after Nicolaus Copernicus.
113. Nihonium - named after the Japanese name for Japan, nihon.
114. Flerovium - named after the Flerov Laboratory of Nuclear Reactions in Dubna, Russia.
115. Moscovium - named after the Moscow oblast of Russia, in which can be found Dubna.
116. Livermorium - named after the Lawrence Livermore National Laboratory in Livermore, California, USA.
117. Tennessine - named after the US state of Tennessee, which was in turn named after the Cherokee settlement of Tanasi.
118. Oganesson - named after Yuri Oganessian.