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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 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 ...
Video Química
"Aromatic hydrocarbons, also called aromatic compounds, are compounds that contain benzene as a part of their structure. Benzene is a cyclic hydrocarbon with the formula C6H6." Fuente: BrightStormArom ...
Hipervinculo Química
"Measurement of heat is done in calories. One calorie is the amount of energy required to raise one gram of water one degree Celsius. To measure heat, you divide the change in temperature of a sample ...
Video Química
"Alpha decay is a type of radioactivity in which the nucleus of an atom loses an alpha particle. Alpha particles are composed of two protons and two neutrons, so they can also be called He2+ nuclei. T ...
Hipervinculo Química
"Alkenes and alkynes are unsaturated bonds that contain one or more double or triple bonds (e.g., ethene, propene, butene, etc.) and have different chemical compounds and properties. Their properties ...
"Alkanes are hydrocarbons that only consist of single bonds. The ratio of carbon atoms to hydrogen atoms in alkanes is always in the form of n: 2n+2." Fuente: BrightStormAlkanes es un video-tutorial ( ...
Hipervinculo Química
"Limiting reactants are reactants in chemical reactions which limit how much product can be formed. The limiting reactant is the reactant we run out of first, leaving the other reactants in excess. Wh ...
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