• Foreign Chemists
    chemistry Linus C. Pauling (1901-1994) -American biochemist, Applied X-ray diffraction, electron diffraction and quantum mechanics to chemistry, Louis-Victor de Broglie (1892-1958) -French physicist, Demonstrated mathematically that electrons and other subatomic particles exhibit wavelike properties ...
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  • Joseph Proust Biography
    Joseph Louis Proust was born on September 26, 1754 in Angers, France. Though there is not much information about his family, his father and Joachim, his brother, were pharmicists. Other than being a chemist, Joseph was a teacher at the Chemistry School in Segovia and at the University of Salamanca which...
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  • Term Paper
    physical materials of the universe,it is anything occupies space has mass. ELEMENTS is the basic or elementary substance. ATOMS is the small building blocks of matter MOLECULES atoms can combine to form molecules. WHY WE STUDY CHEMISTRY? Chemistry provides important understanding of our world and...
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  • Physics Timeline
    Greeks][Pre-Galileo][Classical][Modern]Ancient Greeks 425 bc | Democritus proposes that all matter is made of small indivisible particles that he calls "atoms." | 280 bc | Aristarchus of Samos determines the relative distances of the sun and the moon from the earth. He also determines the relative sizes...
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  • rosana
    Filipino Chemists and their contributions Julian Banzon - experimented with the production of ethyl ester fuels from sugarcane and coconut and invented a means of extracting residual coconut oil by a chemical process rather than a physical process. A pioneer for alternative fuels ROM the 1930's and...
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  • The Atom
    1. Matter is composed of tiny particles called atoms * This concept came from Democritus in 450BC who thought atoms were indivisible 2. Matter is conserved * This concept came from Lavoisier in the late 1700s with the Law of Conservation of Matter 3. A given compound always has...
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  • French People
    his most representative work, the book of poetry “Les fleurs du mal” (“The flowers of evil”). His writings were very influenced by Théophile Gautier, Joseph de Maistre and Edgar Allan Poe, many of whose works were translated by Baudelaire. Christian Dior: “Women are most fascinating between the ages of...
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  • Tak's Data
    was the originator of atomic theory, which theory provided scientists with new ways of seeing the physical world. Atomic weights and fixed ratios of atoms inside compounds provided researchers with the knowledge to explore chemical compositions of matter. Dalton's new information on atomic weights allowed...
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  • Atoms 2
    ATOMS A unit of matter, the smallest unit of an element, consisting of a dense, central, positively charged nucleus surrounded by a system of electrons, equal in number to the number of nuclear protons, the entire structure having an approximate diameter of 10-8 centimeter and characteristically remaining...
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  • Mrtp Act
    described and understood in terms of basic constituents of matter: atoms and molecules. That is why chemistry is called the science of atoms and molecules. Can we see, weigh and perceive these entities? Is it possible to count the number of atoms and molecules in a given mass of matter and have a quantitative...
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  • Brief Historical Development and Contributions of Chemistry for Modern Civilization
    Brief Historical Development and Contributions of Chemistry for Modern Civilization Introduction: As defined by Oxford Dictionary, Chemistry is the scientific study of the structure of substances, how they react when combined or in contact with one another and how they behave under different conditions...
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  • Chemist
    component of matter, the atom is the basic unit of chemistry. Chemistry is concerned with atoms and their interactions with other atoms, with particular focus on the properties of the chemical bonds formed between species. Chemistry is also concerned with the interactions between atoms or molecules and various...
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  • Father Mother
    sciences[edit source | editbeta] Biology[edit source | editbeta] Subject | Father/mother of … | Reason | Bacteriology | Robert Koch, Ferdinand Cohn, Louis Pasteur[1] (founders) Antonie van Leeuwenhoek[2] | For their studies and scientific findings on bacteria and algae. First to produce precise, correct...
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  • Atomic Theory
    Leucippus 420 B.C. Democritus * First to use the term “atom” * Believed atoms were invisible * Cannot be created or destroyed * Moved in constant motion * Different shape, sizes, weights * Infinite number of atoms 2. 350 B.C. Aristotle * Student of playto * Widely...
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  • History of Atomic Theory
    Matter can be divided into the smallest piece,he named it “atomos”: not to be cut. Said that atoms were small, hard particles that were all made of the same material but were different shapes and sizes. Atoms were infinite in number, always moving and capable of joining together. His theory was ignored...
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  • Determination of the Emprical Formula of the Silver Oxide
    and this is way is known to be the simplest way of describing the composition of a substance. In the law of definite proportions, formulated by Joseph Proust, the elements in a compound are always there in the same way by mass, no matter what the source of the compound or how it was organized. For example...
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  • Physics
    Physics is closely related to the other natural sciences and, in a sense, encompasses them. Chemistry, for example, deals with the interaction of atoms to form molecules; much of modern geology is largely a study of the physics of the earth and is known as geophysics; and astronomy deals with the physics...
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  • Project
    and astrophysics. Some aspects of these subjects are covered in courses taught in junior high school and high school so that they will know the contributions of different scientists. Geology is the study of Earth, its rocks, and the changes that have occurred or are occurring in the planet. In geophysics...
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  • Common Laboratory Operations
    Sophie Germain(1766-1831) A French mathematician. Her greatest achievement was her partial proof of Fermat's last theorem. She made important contributions in several areas of mathematics in spite of the rules and prejudices barring woman from academic life. she was awarded a prize by the institut de...
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  • Business Math
    | |Greek era |Aristotle |Rejected Democritus; Matter made of 4 substances: Earth, Air, Water, Fire; Atoms don't move | | | |through empty space ...
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