Thanks to the development of really powerful electron microscopes, we can peer deep inside things at their internal atomic structure. In 2013, for example, scientists used a quantum microscope to produce the first picture of the inside of a hydrogen atom. Amazing! There's plenty more evidence ...
Briefly explain the early theories of atomic structure. Why does ionization energy increase when moving across a period? Why is oxygen on the periodic table O? Why isn't it O2? Explain the periodic and group trends seen in the lifetimes (inert/labile) for exchange of water molecules ...
A computer turns this information into a map of the specimen that shows up its detailed atomic structure. One big drawback of ordinary electron microscopes is that they produce amazing detail using high-energy beams of electrons, which tend to damage the objects they're imaging. STMs avoid ...
Secondly, the strong oscillations of concentrations, registered in the region of temperatures lying below Kurnakov's temperature, T-K = 776 K, and connected with atomic disordered structure of the surface layers of FeNi3(111) alloy, are appeared. Under the destructive layer-by-layer analysis, ...
Describe how the atomic emission spectrum of hydrogen has developed our understanding of the electronic structure of the hydrogen atom. Explain in detail. Characterize the Bohr model of the atom. In the Bohr model, what do we me...
The question asks to explain why elements produce a characteristic pattern when there is an emission of energy from an excited state to a ground state. The reference answer is correct. It explains that each element has a unique atomic structure, leading to specific energy levels within the atom...
The atomic coordinates and crystallographic structure factors for the SHP2/T507K protein have been deposited in the Protein Data Bank under accession code 5BK8. All other data are contained within the manuscript and supporting information. Author contributions R.-Y. Z., Z.-H. Y., and Z.-Y...
This is in good agreement with results reported in an atomic force microscopy functional imaging study on tendons16. This behaviour corresponds to loss of collagen fibre crimping at the microscopic level17. As suggested in the literature, we found that, during inelastic deformation, individual ...
Explain, in terms of chemistry and molecular structure, why pH affects enzyme function. Explain how adding a solute affects the vapor pressure of the solvent. Describe atomic theory and discuss how it explains the great variety of different sub...
The shell that lies outermost in an element is the valence shell. The electrons present in the valence shells are valence electrons. The number of valence electrons determines whether the element is a metal or not. Some examples are: Sodium The atomic number is 11. ...