Dataset Viewer (First 5GB)
Auto-converted to Parquet Duplicate
id
stringlengths
1
6
title
stringlengths
2
254
timestamp
stringdate
2005-06-28 15:42:20
2025-11-01 10:01:48
text
stringlengths
95
1.49M
1
Main Page
2024-09-24T11:59:34Z
# Main Page Featured books • Wikijunior • Cookbook • Browse books • Help • Forum • Using Wikibooks Welcome to Wikibooks, the open-content textbooks collection that anyone can edit. books with pages. Computing Engineering Humanities Languages Mathematics Miscellaneous Recreational activities Science Social sc...
5
Organic Chemistry/Cover
2022-05-19T14:04:40Z
# Organic Chemistry/Cover Welcome to the world's foremost open contentOrganic Chemistry Textbookon the web! Organic chemistry is primarily devoted to the unique properties of the carbon atom and its compounds. These compounds play a critical role in biology and ecology, Earth sciences and geology, physics, industry, m...
7
Organic Chemistry/Foundational concepts of organic chemistry
2010-09-02T06:08:27Z
# Organic Chemistry/Foundational concepts of organic chemistry The purpose of this section is to review topics from freshman chemistry and build the foundation for further studies in organic chemistry. History of organic chemistry Atomic structure Electronegativity Bonding Electron dot structures Visualization Re...
9
Organic Chemistry/Introduction to reactions
2022-07-20T02:59:32Z
# Organic Chemistry/Introduction to reactions Image:Go To Organic Chemistry Contents .png > Introduction to reactions ---- Image:Go To Organic Chemistry Contents .png > Introduction to reactions ---- Polar and radical reactions Redox reactions Carbocations Hydroboration/oxidation Free-radical halogenation Rearrange...
10
Organic Chemistry/Alkenes
2023-03-25T11:24:27Z
# Organic Chemistry/Alkenes > Alkenes are aliphatic hydrocarbons containing carbon-carbon double bonds and general formula CnH2n. =Naming Alkenes= Alkenes are named as if they were alkanes, but the "-ane" suffix is changed to "-ene". If the alkene contains only one double bond and that double bond is terminal (the dou...
12
Organic Chemistry/Chirality
2025-07-03T09:19:44Z
# Organic Chemistry/Chirality Chirality (pronounced kie-RAL-it-tee) is the property of handedness. If you attempt to superimpose your right hand on top of your left, the two do not match up in the sense that your right hand's thumb overlays your left hand's pinky finger. Your two hands cannot be superimposed identical...
13
Organic Chemistry/Dienes
2011-09-16T01:04:21Z
# Organic Chemistry/Dienes Organic chemistry > Dienes > In alkene chemistry, we demonstrated that allylic carbon could maintain a cation charge because the double bond could de-localize to support the charge. What of having two double bonds separated by a single bond? What of having a compound that alternates between...
17
Organic Chemistry/External links
2021-08-25T11:44:34Z
# Organic Chemistry/External links Organic chemistry > Links to other online organic textbooks ---- =Resources= =Other online textbooks= (unfortunately, much of the information is in PDF documents instead of HTML). basic introduction to the field of combinatorial chemistry (same PDF dilemma as above). a real nice ...
21
Organic Chemistry/Foundational concepts of organic chemistry/History of organic chemistry
2022-09-22T23:13:55Z
# Organic Chemistry/Foundational concepts of organic chemistry/History of organic chemistry Atomic Structure > ---- , a physician by trade, first coined the term "organic chemistry" in 1806 for the study of compounds derived from biological sources. Up through the early 19th century, naturalists and scientists observe...
41
Computer Programming/Authors
2009-06-22T17:31:43Z
# Computer Programming/Authors "You always need someone to blame." The WikiCommunity Martin Krischik (Contributions) Josh Ferguson Brian Mitchell Gregory Pietsch LittleDan for the XHTML tutorial Kevin Whitefoot the more obscure parts of Programming:Visual Basic Classic
47
Organic Chemistry/Foundational concepts of organic chemistry/Atomic structure
2025-04-10T09:01:53Z
# Organic Chemistry/Foundational concepts of organic chemistry/Atomic structure ---- Atoms are made up of a nucleus and electrons that orbit the nucleus. The nucleus consists of protons and neutrons. An atom in its natural, uncharged state has the same number of electrons as protons. The nucleus is made up of protons,...
53
Organic Chemistry/Foundational concepts of organic chemistry/Bonding
2022-04-28T20:18:25Z
# Organic Chemistry/Foundational concepts of organic chemistry/Bonding ---- thumb|right|The Sodium Chloride Crystal Structure. Each atom has six nearest neighbors, with octahedral geometry. This arrangement is known as c close packed (ccp). Light blue = Na+ Dark green = Cl- Ionic bonding is when positively and negativ...
54
Organic Chemistry/Foundational concepts of organic chemistry/Resonance
2023-11-22T08:17:20Z
# Organic Chemistry/Foundational concepts of organic chemistry/Resonance > ---- Resonance refers to structures that are not easily represented by a single electron dot structure but that are intermediates between two or more drawn structures. Resonance is easily misunderstood in part because of the way certain chemist...
55
Organic Chemistry/Foundational concepts of organic chemistry/Acids and bases
2022-04-28T20:22:15Z
# Organic Chemistry/Foundational concepts of organic chemistry/Acids and bases > ---- The first and earliest definition of acids and bases was proposed in the 1800s by Swedish scientist Svante Arrhenius, who said that an acid was anything that dissolved in water to yield H+ ions (like stomach acid HCl, hydrochloric ac...
56
Organic Chemistry/Foundational concepts of organic chemistry/Electron dot structures
2012-12-17T22:25:22Z
# Organic Chemistry/Foundational concepts of organic chemistry/Electron dot structures > ---- On WP: Electron dot structures, also called Lewis structures, give a representation of the valence electrons surrounding an atom. Each valence electron is represented by one dot, thus, a lone atom of hydrogen would be drawn ...
57
Organic Chemistry/Introduction to reactions/Overview of addition, elimination, substitution and rearrangement reactions
2007-09-07T18:34:50Z
# Organic Chemistry/Introduction to reactions/Overview of addition, elimination, substitution and rearrangement reactions > ---- The real heart of organic chemistry is the reactions. Everything that you study is geared to prepare you for organic syntheses and other chemical transformations performed in the lab. This c...
58
Organic Chemistry/Introduction to reactions/Polar and radical reactions
2018-06-11T18:35:37Z
# Organic Chemistry/Introduction to reactions/Polar and radical reactions > ---- Two bonded atoms can come apart from each other in one of two ways. Either each atom gets away with half of the shared electrons, or one of the atoms leaves with more of the shared electrons than the other. In homolytic cleavage, ea...
64
Organic Chemistry/Introduction to functional groups
2010-09-28T15:56:57Z
# Organic Chemistry/Introduction to functional groups ../Overview of Functional Groups/ ../Alcohols/ ../Phenols/ ../Ethers/ ../Epoxides/ ../Ketones and aldehydes/ ../Carboxylic Acids/ ../Carboxylic acid derivatives/ ---- > | Alkenes >>
69
Organic Chemistry/Foundational concepts of organic chemistry/History of organic chemistry/Vital force theory
2007-09-07T18:35:20Z
# Organic Chemistry/Foundational concepts of organic chemistry/History of organic chemistry/Vital force theory > ---- Long ago, people observed the differences between compounds that were derived from living things and those that were not. There seemed to be an impassable gap between the properties of the two groups....
72
Organic Chemistry/Foundational concepts of organic chemistry/Atomic structure/Nucleus and electrons
2008-03-30T00:33:14Z
# Organic Chemistry/Foundational concepts of organic chemistry/Atomic structure/Nucleus and electrons > ---- Atoms are made up of a nucleus and electrons that orbit the nucleus. An atom in its natural, uncharged state has the same number of electrons as protons. If it gains or loses electrons, the atom is then referr...
73
Organic Chemistry/Foundational concepts of organic chemistry/Atomic structure/Shells and orbitals
2016-07-23T10:12:25Z
# Organic Chemistry/Foundational concepts of organic chemistry/Atomic structure/Shells and orbitals > ---- Electrons orbit atoms in clouds of distinct shapes and sizes. The electron clouds are layered one inside the other into units called shells (think nested Russian dolls), with the electrons occupying the smallest...
74
Organic Chemistry/Foundational concepts of organic chemistry/Atomic structure/Filling electron shells
2009-09-24T00:07:18Z
# Organic Chemistry/Foundational concepts of organic chemistry/Atomic structure/Filling electron shells > ---- When an atom or ion receives electrons into its orbitals, the orbitals and shells fill up in a particular manner. There are three principles that govern this process: 1) the Aufbau (build-up) principle, 2) t...
75
Cell Biology
2024-04-02T18:53:18Z
# Cell Biology __NOTOC__ Glossary and Guide Glossary Alphabetically Glossary By Lesson How to edit this book Introduction Introduction to Cell Biology What is living? What is a cell? Size of cells The Great Ancestor Cells Under Microscopes Chemical elements necessary for life Types of cells Prokaryotes Bac...
76
Modern Physics
2024-12-09T17:07:39Z
# Modern Physics __NOTOC__ Introduction Note For Contributors Page List /Annus Mirabilis of Albert Einstein/ Waves General Mechanics Special Relativity General Relativity /Gravity/ Quantum Mechanics Electrodynamics Quantum Optics Thermodynamics Statistical Mechanics Solid State Physics Condensed Matter Physics Nu...
82
Linear Algebra
2024-09-24T11:14:14Z
# Linear Algebra __NOTOC__ This book discusses proof-based linear algebra. The book was designed specifically for students who have not previously been exposed to mathematics as mathematicians view it: that is, as a subject whose goal is to rigorously prove theorems starting from clear consistent definitions. This boo...
119
Calculus/Introduction
2021-07-16T11:15:30Z
# Calculus/Introduction Calculus is the broad area of mathematics dealing with such topics as instantaneous rates of change, areas under curves, and sequences and series. Underlying all of these topics is the concept of a limit, which consists of analyzing the behavior of a function at points ever closer to a particul...
122
Calculus/Functions
2025-08-05T03:00:42Z
# Calculus/Functions Functions are everywhere, from a simple correlation between distance and time to complex heat waves. This chapter focuses on the fundamentals of functions: the definition, basic concepts, and other defining aspects. It is very concept-heavy, and expect a lot of reading and understanding. However, ...
123
Waves/Vectors
2021-04-04T16:13:03Z
# Waves/Vectors Figure 1: Displacement vectors in a plane. Vector \mbox{A} represents the displacement of George from Mary, while vector \mbox{B} represents the displacement of Paul from George. Vector \mbox{C} represents the displacement of Paul from Mary and \mbox{C} = \mbox{A} + \mbox{B}. The quantities A_x, A_y, ...
150
Waves/Reflection and Refraction
2018-07-15T14:02:09Z
# Waves/Reflection and Refraction Most of what we need to know about geometrical optics can be summarized in two rules, the laws of reflection and refraction. These rules may both be inferred by considering what happens when a plane wave segment impinges on a flat surface. If the surface is polished metal, the wave is...
End of preview. Expand in Data Studio
README.md exists but content is empty.
Downloads last month
60

Collection including ai-allforever/wiki-ru-en-news-books