File: Grignard reaction experiment 01. jpg | Magnesium turnings placed on a flask.

File: Grignard reaction experiment 02. jpg | Covered with THF and a small piece of iodine added.

File: Grignard reaction experiment 03. jpg | A solution of alkyl bromide was added while heating.

File: Grignard reaction experiment 05. jpg | Formation of the Grignard reagent had completed.

File: Grignard reaction experiment 06. jpg | The Grignard reagent thus prepared was cooled to before the addition of carbonyl compound.

File: Grignard reaction experiment 07. jpg | A solution of carbonyl compound was added to the Grignard reagent.

File: Grignard reaction experiment 08. jpg | The solution was warmed to room temperature.

File: Ernest Rutherford 1908. jpg | Ernest Rutherford ( 1871-1937 ): considered " Father of Nuclear Physics ", showed how the atomic nucleus has a positive charge, first to change one element into another by an artificial nuclear reaction, differentiated and named alpha and beta radiation, awarded Nobel Prize for Chemistry in 1908

: File: Michael reaction Conrad Guthzeit comparison. svg

* Weak positive (+) File: 1 + reaction. jpg

* Strong positive (++) File: 2 + reaction. jpg

File: Cavendish-walk. jpg | Henry Cavendish ( 1731-1810 ): greatest English chemist and physicist of his age, researched composition of the atmosphere, the properties of different gases, the synthesis of water, the law of electrical attraction and repulsion, a mechanical theory of heat, calculated the weight of the Earth in the Cavendish experiment, determined the universal gravitational constant

File: Schrodinger. jpg | Erwin Schrödinger ( 1887-1961 ): formulated the Schrödinger equation in 1926 describing how the quantum state of a physical system changes with time, awarded the Nobel Prize in Physics in 1933, two years later proposed the thought experiment known as Schrödinger's cat

File: Drosophila speciation experiment. svg

File: 183431main_FSL1. jpg | The experiment container that will hold the experiment is inserted into the Fluid Science Laboratory for execution of the science protocol.

File: 186705main_EPM1. jpg | Testing of one of the experiment modules for European Physiology Module ( EPM ).

File: Tribunal révolutionnaire 04. jpg | Revolutionary Tribunal

File: NAMA-Statue of a sleeping Maenad 04. JPG | Statue of a sleeping Maenad, lying on a panther skin spread on a rocky surface ; the type is known as the reclining Hermaphrodite ; Pentelic marble ; found at the south of the Athenian Acropolis ; Hadrianic time ( 117-138 AD ), follows a classical trend in the attic art ; National Archaeological Museum, Athens.

File: Sacred Way, Delos 04. jpg | Sacred Way

File: Mosaic from the Insula of the Jewellery 04. jpg | Mosaic from the Insula of the Jewellery

File: Christ Church Spitalfields 04. jpg | Christ Church Spitalfields ( 1714-29 ), interior looking east

File: St George in the East 04. jpg | St.

File: HAER Coraopolis 04 356722pv. jpg | The Coraopolis Bridge

File: RWS Tarot 04 Emperor. jpg | IV-The Emperor

File: Home House 04. jpg | Staircase Dome, Home House, London

File: Kedleston Hall 04. jpg | South front, Kedleston Hall

File: Stowe House 04. jpg | South front, Stowe House, slightly modified in execution

File: 2007-03-25 10. 04 Breukelen, ophaalbrug bij de Vecht. JPG | Breukelen, drawbridge across the Vecht

File: TUNISIE KAIROUAN 04. jpg | The mihrab dome ( 9th century ) of the Great Mosque of Kairouan, located in the city of Kairouan in Tunisia.

File: IMAX-Kino Wien 2006 04 25. jpg | IMAX-Cinema in Vienna, which closed on November 16, 2005

File: Visé-Hôtel de Ville 04. JPG | Visé town hall

File: 2001 07 04 Aurlandsdalen Geiteryggvannet. jpg | Lake Geiteryggen

File: 2001 07 04 Over Rossdøla under Bolhovd. jpg | Rossdøla River

File: Burton-on-Trent railway station MMB 04 66717. jpg | Metronet-liveried 66717

File: Hibiscus from Kerala, India 04. JPG | Hibiscus from Kerala, India

File: Cenotaph 2006 10 01 04. JPG | Port Arthur Cenotaph, Waverley Park, Thunder Bay, Ontario

File: Jehovas Zeugen Königreichssaal Heimfeld 04. jpg | Hamburg, Germany

File: Samjeondo Monument 04. JPG | Turtle

File: Bandiera dello Stato della Sicilia ( 28. 04. 1848-15. 05. 1849 ). PNG | 1848 – 9 flag of the Provisional Government of Sicily

File: Ambrosius Bosschaert, the Elder 04. jpg | Ambrosius Bosschaert ( 1573-1621 ), Still-Life of Flowers, ( 1614 ) on copper, Getty Museum

File: Vancouver-Christ Church Cathedral stained glass 04. jpg