Atomic structure

Xem 1-20 trên 127 kết quả Atomic structure
  • Rutherford (also Geiger-Marsden) Experiment (1911): Measured angular dependence of   particles (He ions) scattered from gold foil. The results: • Mostly scattering at small angles. But… • Occasional scatterings at large angles (even 90o)  Something massive in there ! Conclusion: Most of atomic mass is concentrated in a small region of the atom Recall some history:

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  • (BQ) Part 1 book "Chemistry" has contents: Chemical foundations; atoms, molecules, and ions, stoichiometry; types of chemical reactions and solution stoichiometry; gases, thermochemistry; atomic structure and periodicity; covalent bonding - orbitals; bonding - general concepts; liquids and solids, properties of solutions.

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  • (BQ) Part 1 book "General, organic, and biological chemistry" has contents: Basic concepts about matter, measurements in chemistry, atomic structure and the periodic table, chemical bonding the covalent bond model, chemical calculations - formula masses, moles, and chemical equations,...and other contents.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Effect of surrounding environment on atomic structure and equilibrium shape of growing nanocrystals: gold in/on SiO2

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  • (BQ) Part 1 book "MRI at a glance" presentation of content: Magnetism and electromagnetism, atomic structure, alignment and precession, resonance and signal generation, resonance and signal generation, contrast mechanisms, conventional spin echo,... and other contents.

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  • (BQ) Part 1 book "Chemistry for engineering students" has contents: Introduction to chemistry, atoms and molecules, molecules, moles, and chemical equations; stoichiometry; gases; the periodic table and atomic structure; chemical bonding and molecular structure; molecules and materials; energy and chemistry.

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  • (BQ) Part 1 book "Instant notes - Inorganic chemistry" has contents: Atomic structure, introduction to inorganic substances, structure and bonding in molecules, structure and bonding in solids, chemistry in solution.

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  • (BQ) Part 1 book "Materials science and engineering - An introduction" has contents: Atomic structure and interatomic bonding, the structure of crystalline solids, imperfections in solids, diffusion, mechanical properties of metals, dislocations and strengthening mechanisms,...And other contents.

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  • (BQ) Part 1 book "Inorganic chemistry " has contents: Introduction to inorganic chemistry, atomic structure, simple bonding theory, symmetry and group theory, molecular orbitals, the crystalline solid state, chemistry of the main group elements, coordination chemistry I - Structures and isomers.

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  • (BQ) Part 1 book "Physical chemistry" has contents: Zeroth law of thermodynamics and equations of state, first law of thermodynamics, fundamental equations of thermodynamics, phase equilibrium, chemical equilibrium, electrochemical equilibrium, atomic structure, molecular electronic structure,...and other contents.

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  • (BQ) Part 1 book "Materials science and engineering - An introduction" has contents: Introduction, atomic structure and interatomic bonding, the structure of crystalline solids, imperfections in solids, diffusion, mechanical properties of metals, dislocations and strengthening mechanisms,... and other contents.

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  • Lecture Microbiology - Chapter 2: Fundamentals of chemistry. This chapter presents the following content: Atomic structure, chemical building blocks, atomic properties, chemical bonds — ionic, chemical bonds — covalent, chemical Bonds — hydrogen,...

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  • (BQ) Part 1 book "Concise inorganic chemistry" has contents: Atomic structure and the periodic table; introduction to bonding; the ionic bond; the covalent bond, the metallic bond.

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  • (BQ) Part 1 book "Fundamentals of materials science and engineering" has contents: Introduction, atomic structure and interatomic bonding, structures of metals and ceramics, imperfections in solids, polymer structures, mechanical properties, deformation and strengthening mechanisms,...and other contents.

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  • The second edition of Atoms, Radiation, and Radiation Protection has several important new features. SI units are employed throughout, the older units being de-fined but used sparingly. There are two new chapters. One is on statistics for health physics. It starts with the description of radioactive decay as a Bernoulli process and treats sample counting, propagation of error, limits of detection, type-I and type-II errors, instrument response, and Monte Carlo radiation-transport computations.

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  • Enzymes are proteins that catalyze chemical reactions. A protein is simply a polypeptide composed of amino acids linked by a peptide bond, and the term generally, but not always, refers to the folded conformation. To understand how an enzyme functions, including its binding and functional properties, it is necessary to know the properties of the amino acids and how the amino acids are linked together, including the torsion angles of the bonds and the space occupied, and the interactions of the atoms leading to the final conformations of the folded protein.

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  • This is the first book to cover the history, structure, and application of atomic force microscopy in cell biology. Presented in the clear, well-illustrated style of the Methods in Cell Biology series, it introduces the atomic force microscope (AFM) to its readers and enables them to tap the power and scope of this technology to further their own research. A practical laboratory guide for use of the atomic force and photonic force microscopes, it provides updated technology and methods in force spectroscopy.

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  • Carbon nanotubes are rolled up graphene sheets with a quasi-one-dimensional structure of nanometer-scale diameters. More than twenty years have passed since the pioneering work on carbon nanotubes by Prof. Iijima in 1991. During all these years, carbon nanotubes have at‐ tracted a lot of attention from physicists, chemists, material scientists, and electronic device engineers because of their excellent structural, electronic, optical, chemical, and mechanical properties.

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  • Cấu trúc nguyên tử Trong bài học cuối cùng chúng ta học kinh nghiệm đó Were hạt nguyên tử của các nguyên tố, các chất đó không thể được chia nhỏ hơn nữa. Trong Kiểm tra cấu trúc nguyên tử mặc dù, chúng tôi có để làm rõ tuyên bố này. Một Atom không bị hỏng có thể được giảm thêm trên Nếu không có thay đổi bản chất của chất hóa học. Ví dụ, nếu bạn có 1 tấn, gram 1 hoặc nguyên tử 1 của oxy, tất cả các đơn vị này có các tính chất tương tự....

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  • 2D nanomaterials such as graphene and transition metal dichal  cogenides (TMDCS) have shown outstanding potential in many fields such as fl exible electronics, sensing and optics due to their desirable physical and structural properties. High quality black phosphorus atomic layers by liquid phase exfoliation include Experimental Section; Supporting Information and Acknowledgements.

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