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Video Física
"An element’s atomic mass is the mass of one atom of that element, measured in atomic mass units (amu). An element’s atomic mass in amu is equal to its molar mass in g/mol." Fuente: BrightStormAtomic ...
"Mixtures are composed of pure substances and elements, but unlike compounds these substances retain their own chemical identities and properties. Mixtures can be homogeneous or heterogeneous. Homogen ...
"Atomic emission spectra are unique spectra of light emitted by an element when electricity is run through it or when it is viewed through a prism. Because they are unique, they can act as an element’ ...
Video Física
"Atmospheric pressure is the pressure caused by the mass of our gaseous atmosphere. It can be measured using mercury in the equation atmospheric pressure = density of mercury x acceleration due to gra ...
"Mitosis is a type of cell division found in eukaryotic cells. The products of mitosis are daughter cells that are genetically identical to the parent cell with the same set of chromosomes. The differ ...
Hipervinculo Ciencias de la Tierra y Medioambiente
"The atmosphere is the layer of air that surrounds the Earth and is comprised mainly of Nitrogen and Oxygen. The atmosphere also contains traces of gases like carbon dioxide, neon, helium, etc. There ...
Hipervinculo Biología
"Mitochondria, also called mitochondrion, are organelles found in eukaryotic cells in which aerobic cellular respiration takes place. Mitochondria generate ATP which cells use for energy and have both ...
Video Biología
"Asexual reproduction is a type of reproduction found mostly in prokaryotes. Asexual reproduction doesn’t require fertilization and only one parent cell is needed to reproduce. In achaea and bacteria, ...
"Microevolution is defined as changes within a species that aren't drastic enough to create an entirely new species. Changes that result in a new species are part of macroevolution. Often microevoluti ...
Video Química
"A metallic bond shares electrons but unlike ionic bonds, it does not fill the valence shell octets of the bonding atoms. All of the electrons involved form one huge electron cloud which all the nucle ...
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