作者：Hailey Ricketts 4 年以前
337
Chemical Bonds
In chemistry, reactions involve the breaking of existing chemical bonds and the formation of new ones. These reactions often start with reactants, which are the initial substances that undergo transformation, and result in products, the final substances formed.
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Nonpolar Covalent Bonds - A covalent bond of two atoms of the same element Distribution of Electrons Carbon Example Hydrogen Bonds Chemical Reaction - breaking existing chemical bond and creating new ones Products - The final results after the conversion Reactants - The conversion of starting material Polar Molecule - has an unequal distribution of charges, Ex.) Water Hydrogen Bond - Weak Bond, Salt - Sodium Chloride Electronegativity - measure of attraction for shared electrons Molecule - 2 or more atoms held together Covalent Bond - Shares electrons between them Ionic Bond - the transfer of electrons Chemical Bonds - Allow atoms to stay close together Chemical Bonds Chemical Reactions Ionic Bonds Ion- - an atom or molecule with an electrical charge resulting from - or + of 1 or more electrons Covalent Bonds Vocabulary
