User contributions for Thakshashila

08:1708:17, 22 May 2025 diff hist +3,344 N Ernest rutherford Created page with "= ernest rutherford – father of nuclear physics = == introduction == '''ernest rutherford''' (1871–1937) was a New Zealand-born British physicist and one of the most important figures in the history of science. Known as the father of nuclear physics, he discovered the nucleus, proposed the first nuclear model of the atom, and performed groundbreaking research in radioactivity and atomic structure. == early life and education == rutherford was born on august..."
08:1408:14, 22 May 2025 diff hist +11 Proton →protons vs neutrons vs electrons current
08:1408:14, 22 May 2025 diff hist +8 Proton →protons vs neutrons vs electrons
08:1308:13, 22 May 2025 diff hist +7 Proton →protons vs neutrons vs electrons
08:1308:13, 22 May 2025 diff hist 0 Nucleus →properties current
08:1208:12, 22 May 2025 diff hist +7 Nucleus →properties
08:1208:12, 22 May 2025 diff hist −16 Nucleus No edit summary
08:1108:11, 22 May 2025 diff hist +1,473 N Nucleus Created page with "== what is the nucleus? == The '''nucleus''' is the small, dense center of an atom where nearly all of its mass is concentrated. It contains protons and neutrons (collectively known as nucleons). == properties == * **contains**: protons and neutrons * **charge**: positive (due to protons) * **mass**: >99.9% of the atom’s total mass * **size**: ~1/100,000 of the atom’s total diameter == discovery == ernest rutherford discovered the..."
08:1008:10, 22 May 2025 diff hist −55 Proton →protons – structure, properties, and importance
08:1008:10, 22 May 2025 diff hist −57 Electrons →electrons – negatively charged particles in atoms current
08:1008:10, 22 May 2025 diff hist −58 Neutrons →neutrons – neutral particles in the atomic nucleus current
08:0908:09, 22 May 2025 diff hist −20 Neutrons No edit summary
08:0908:09, 22 May 2025 diff hist +1,472 N Electrons Created page with "= electrons – negatively charged particles in atoms = == what is an electron? == An '''electron''' is a subatomic particle with a negative electric charge. Electrons are found in orbitals or energy levels surrounding the nucleus of an atom. == basic properties == * symbol: e⁻ * charge: -1 * mass: ~1/1836 of a proton * location: outside the nucleus, in electron shells == discovery == j.j. thomson discovered the electron in 1897 using catho..."
08:0908:09, 22 May 2025 diff hist −40 Proton No edit summary
08:0708:07, 22 May 2025 diff hist +1,612 N Neutrons Created page with "= neutrons – neutral particles in the atomic nucleus = == what is a neutron? == A '''neutron''' is a subatomic particle found in the nucleus of an atom, alongside protons. Unlike protons and electrons, it carries **no electric charge** (neutral). == basic properties == * **symbol**: n⁰ * **charge**: 0 (neutral) * **mass**: about 1 amu (slightly more than a proton) * **location**: inside the atomic nucleus == discovery == james c..."
08:0608:06, 22 May 2025 diff hist +3,250 N Proton Created page with "= protons – structure, properties, and importance = == what is a proton? == A '''proton''' is a type of subatomic particle found in the nucleus of every atom. It carries a single **positive electric charge** (+1e) and is one of the three main particles that make up an atom, alongside neutrons and electrons. The number of protons in an atom determines its atomic number and ultimately defines the element itself. == basic properties of protons == *..."
08:0508:05, 22 May 2025 diff hist −19 Atomic number →What is Atomic Number? current
08:0408:04, 22 May 2025 diff hist +1 Atomic number →What is Atomic Number?
08:0408:04, 22 May 2025 diff hist +10 Atomic number →What is Atomic Number?
08:0308:03, 22 May 2025 diff hist 0 Atomic number →What is Atomic Number?
08:0208:02, 22 May 2025 diff hist −69 Atomic number No edit summary
07:4007:40, 22 May 2025 diff hist +15 Atomic number →What is Atomic Number?
07:3907:39, 22 May 2025 diff hist +3,840 N Atomic number Created page with "= Atomic Number – Definition, Importance, and Role in Chemistry = == What is Atomic Number? == The Atomic Number of a Chemical Element is the number of protons found in the nucleus of an atom of that element. It is denoted by the symbol '''Z'''. Each element has a unique Atomic Number, which determines its identity and position in the Periodic Table of Elements. == Definition == <blockquote> ''Atomic Number (Z) = Number of Protons in the N..."
07:3507:35, 22 May 2025 diff hist +12 Henry Moseley No edit summary current
07:3007:30, 22 May 2025 diff hist +3,728 N Henry Moseley Created page with "= Henry Moseley – The Scientist Who Defined Atomic Number = == Introduction == '''Henry Gwyn Jeffreys Moseley''' (1887–1915) was a British physicist whose groundbreaking work on the atomic structure of elements redefined the **Periodic Table**. He introduced the concept of the **atomic number**, which became the modern basis for arranging elements. His work corrected flaws in Mendeleev’s table and laid the foundation for modern atomic physics. == Early Life and..."
07:3007:30, 22 May 2025 diff hist +3,257 N Dmitri Mendeleev Created page with "= Dmitri Mendeleev – The Father of the Periodic Table = == Introduction == '''Dmitri Ivanovich Mendeleev''' (1834–1907) was a Russian chemist and inventor, best known for creating the first widely recognized version of the '''Periodic Table of Elements'''. His work laid the foundation for modern chemistry and revolutionized how scientists understand the properties and relationships of chemical elements. == Early Life and Education == Dmitri Mendeleev was born on ''..." current
07:2807:28, 22 May 2025 diff hist −52 Basic information about Hydrogen →Conclusion current
07:2707:27, 22 May 2025 diff hist +261 Periodic table →Conclusion current
07:2707:27, 22 May 2025 diff hist +3,917 N Elements Created page with " == What Are Chemical Elements? == '''Chemical elements''' are pure substances consisting of only one type of atom, identified by their unique number of protons in the nucleus, known as the '''atomic number'''. Elements are the fundamental building blocks of all matter in the universe. Each element is represented by a '''chemical symbol''' (e.g., H for hydrogen, O for oxygen) and appears in the '''Periodic Table of Elements'''. == Basic Properties of Elements == Every..." current
07:2607:26, 22 May 2025 diff hist 0 Periodic table →Introduction to the Periodic Table
07:2507:25, 22 May 2025 diff hist 0 Periodic table →Introduction to the Periodic Table
07:2007:20, 22 May 2025 diff hist +3,154 N Periodic table Created page with "==Introduction to the Periodic Table== The Periodic Table of Elements is a systematic arrangement of all known chemical elements based on their atomic number, electron configurations, and recurring chemical properties. It is one of the most important tools in chemistry, physics, and general science education. ==History of the Periodic Table== The modern periodic table was developed based on the early work of Dmitri Mendeleev in 1869. Mendelee..."
07:1407:14, 22 May 2025 diff hist +6 Basic information about Hydrogen →What is Hydrogen?
07:1307:13, 22 May 2025 diff hist +4 Basic information about Hydrogen →What is Hydrogen?
07:1207:12, 22 May 2025 diff hist +2,571 N Basic information about Hydrogen Created page with " ==What is Hydrogen?== Hydrogen is the first element on the periodic table, with the chemical symbol H and an atomic number of 1. It is the lightest and most abundant element in the universe. Hydrogen is a non-metal and exists as a colorless, odorless, and tasteless gas under standard conditions. ==Properties of Hydrogen== * Atomic Number: 1 * Atomic Mass: 1.008 u * Symbol: H * State at Room Temperature: Gas * Color and Smell: Colorless and odorless * Highly flammab..."

09:1509:15, 12 May 2025 diff hist +220 N Write about the physical features of Columbus in the play ‘The Discovery’ Created page with "Columbus is a tall, well-built man of forty six. Hair prematurely white, complexion fair, almost ruddy. A man of quick temper and irritability which he controls only with an effort .His face, in response, is melancholic." current Tags: Mobile edit Mobile web edit Advanced mobile edit

15:5415:54, 11 May 2025 diff hist +1,014 What is Authentication? →Defination current
15:5115:51, 11 May 2025 diff hist +147 N What is Authentication? Created page with "==Defination== Authentication is the process of verifying the identity of a user, device, or entity before granting access to a system or resource."
15:2715:27, 11 May 2025 diff hist +1 Atom →Importance of Atoms in Chemistry current
15:2615:26, 11 May 2025 diff hist +2 Atom →Atomic Theories
15:2615:26, 11 May 2025 diff hist +2 Atom →Properties of Atoms
15:2615:26, 11 May 2025 diff hist +2 Atom →Atomic Number and Mass Number
15:2615:26, 11 May 2025 diff hist +3 Atom →Electron Shells
15:2515:25, 11 May 2025 diff hist +3 Atom →Atomic Nucleus
15:2515:25, 11 May 2025 diff hist +2 Atom →Conclusion
15:2515:25, 11 May 2025 diff hist +3 Atom →Structure of an Atom
15:2415:24, 11 May 2025 diff hist −39 Atom →Structure of an Atom

15:5815:58, 20 April 2025 diff hist +228 N Plastids Created page with "== Plastids == plastids are found in Plant cells. These clearly visible under the microscope. plastids bear specific pigments.based on the type of Pigments plastids are classifide into Chloroplasts, chromoplasts and leucoplasts." current

17:5617:56, 11 April 2025 diff hist 0 Atom No edit summary
17:5517:55, 11 April 2025 diff hist +2,899 N Atom Created page with "==Introduction== Atoms are the fundamental building blocks of matter. Every substance, whether solid, liquid, or gas, is composed of atoms. The study of atoms is essential to understanding the principles of chemistry, as they form the basis of all chemical elements and compounds. 2. Definition of an Atom An atom is the smallest unit of an element that retains the chemical properties of that element. It consists of a dense nucleus containing protons and neutrons, surround..."

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