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Download Chemical Bond – a force that holds two atoms together, the bond
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Chemical Bond – a force that holds two atoms together, the bond could be between two elements that are the same element or different elements. Ionic Bond – an electrostatic force between two different atomic elements (atomic nonmetal and an atomic metal) in which the atomic nonmetal steals the available electron/s for bonding from the atomic metal, thus creating a positive cation on the atomic metal, and a negative anion from atomic non metal. Cation – an atom with a positive charge because it gives or loses an electron to another element. Anion – an atom with a negative charge because it receives or steals an electron Oxidation Number – the charge of a monoatomic ion Monoatomic ion – a one-atom ion Polyatomic ion – an ion with more than one atom bonded together Metallic Bond – is the attraction of a metallic cation for delocalized electrons; electrons are not localized to one metallic atom. Delocalized Electrons – electrons that freely move from one metallic atom to another metallic atom. Covalent Bond – a chemical bond between two different atomic elements (atomic nonmetal and an atomic nonmetal) where two atoms share the electrons available for bonding, or valence electrons Molecule – a structure that is made up of two or more atoms bonded covalently. Lewis Structures – they are electron dot-diagrams that show how electrons are arranged in molecules. Covalent Single Bond – a covalent bond in which 2 electrons are shared between two nonmetal atoms. Covalent Double Bond – a covalent bond in which 4 electrons are shared between two nonmetal atoms. Triple Bond – a covalent bond in which 6 electrons are shared between two atoms. Polar Covalent Bond – it is an unequal sharing of electrons between two different kind of element atoms; due to different electronegativites. Non-Polar Covalent Bond – it is an unequal sharing of electrons between two different kind of element atoms; due to different electronegativites; but gets cancelled out because there is the same bond with the same element’s atom on the opposite side of the center atom, thus cancelling out the unequal force of the sharing of electrons. Avogadro’s number – it is number of anything that is equal to 6.02 x 1023 602,000,000,000,000,000,000,000 Mole – it is a unit used to measure the amount of a substance in 6.02 x 1023 atoms of any substance Molar Mass – the mass in grams of one mole of any pure substance. Molecular Formula – the actual number of atoms of each element in one molecule or formula unit of the substance.