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Science Vocab

Chapters 13 14 and 15 vocab

QuestionAnswer
chemical bonding the combining of atoms to form moleculesd or ionic compounds
chemical bond an interaction that holds atoms or ions together
chemical bonding the combining of atoms to form moleculesd or ionic compounds
chemical bond an interaction that holds atoms or ions together
valence electron an electron that is found in the outermost shell of an atom and that determines the atom's chemical properties
ionic bond the attractive force between oppositly charged ions, which from when electrons are transffered from one atom to another
crystal lattice the regular pattern in which crystal is arranged
ion a charged particle that forms when an atom or group of atoms gain or loses one or more electrons
covalent bond a bond formed when atoms share one or more pairs of electrons
crystal lattice the regular pattern in which crystal is arranged
molecule a group of atoms that are held together by chemical forces; a molecule is the smallest unitn of matter that can exsist by itself and retain all of a substances chemical properties
covalent bond a bond formed when atoms share one or more pairs of electrons
metallic bond a bond formed by the attraction between positivley charged metal ions and the electrons around them
molecule a group of atoms that are held together by chemical forces; a molecule is the smallest unitn of matter that can exsist by itself and retain all of a substances chemical properties
chemical reaction the process by which one or more substances change to prodoce one or more different substances
metallic bond a bond formed by the attraction between positivley charged metal ions and the electrons around them
precipitate a solid that is produced as a result of a chemical reaction is a solution
chemical reaction the process by which one or more substances change to prodoce one or more different substances
chemical equation a represtemtation of a chemicl reaction that uses symbols to show the relationship between the reactants and the products
precipitate a solid that is produced as a result of a chemical reaction is a solution
reactant a substance or molecule that participates in a chemical reaction
chemical equation a represtemtation of a chemicl reaction that uses symbols to show the relationship between the reactants and the products
product a substance that forms in a chemical reaction
reactant a substance or molecule that participates in a chemical reaction
law of conservation of mass the law states that mass can't be created or destroyed in ordinary chemical and physical changes
product a substance that forms in a chemical reaction
synthesis reaction a reaction in which two or more substances combine to form a new compound
law of conservation of mass the law states that mass can't be created or destroyed in ordinary chemical and physical changes
decomposition reaction a reaction in which a single compound breaks down to form two or more simpler substances
synthesis reaction a reaction in which two or more substances combine to form a new compound
single-displacement reaction a reaction in which one element takes the place of another element in a compound
decomposition reaction a reaction in which a single compound breaks down to form two or more simpler substances
double-displacement reaction a reaction in which a gas, a solid participate, or a molecular compund forms from the exchange of ions between two compounds
single-displacement reaction a reaction in which one element takes the place of another element in a compound
exothermic reaction a chemical reaction in which energy is released to the surroundings as heat
double-displacement reaction a reaction in which a gas, a solid participate, or a molecular compund forms from the exchange of ions between two compounds
endothermic reaction a chemical reaction that requires energy input
exothermic reaction a chemical reaction in which energy is released to the surroundings as heat
law of conservation of energy the law states that energy can't be created or destroyed but can be changed from one form to another
endothermic reaction a chemical reaction that requires energy input
activation energy the minimum amount of energy required to start a chemical reaction
law of conservation of energy the law states that energy can't be created or destroyed but can be changed from one form to another
inhibitor a substance that slows down or stops a chemical reaction
activation energy the minimum amount of energy required to start a chemical reaction
catalyst a substance that changes the rate of a chemical reaction without being used up or changed very much
inhibitor a substance that slows down or stops a chemical reaction
chemical bond an interaction that holds atoms or ions together
catalyst a substance that changes the rate of a chemical reaction without being used up or changed very much
ionic compound a compound made of oppositly charged ions
chemical bond an interaction that holds atoms or ions together
covalent compound a chemical compound that is formed by the sharing of electrons
ionic compound a compound made of oppositly charged ions
acid and compound that increases the number of hydronium ions when dissolved in water
covalent compound a chemical compound that is formed by the sharing of electrons
indicator a compound that can reversibly change color depending on conditions such as pH
acid and compound that increases the number of hydronium ions when dissolved in water
base any compound that increases the number of hydorxide ions when dissolved in water
indicator a compound that can reversibly change color depending on conditions such as pH
neutralization reaction the reaction of an acid and a base to form a neutral solution of water and salt
base any compound that increases the number of hydorxide ions when dissolved in water
pH a value that is used to express the acidity or basicity of a system
neutralization reaction the reaction of an acid and a base to form a neutral solution of water and salt
salt an ionic compound that forms when a
pH a value that is used to express the acidity or basicity of a system
salt an ionic compound that forms when a metal atom replaces the hydrogen of an acid
organic compound a covalently bonded compound that contains carbon
hydrocarbon an organic compund composed only of carbon and hydrogen
carbohydrate a class of energy-giving nutrients thyat includes sugars, startches, and fiber; contains carbon, hydrogen, and oxygen
lipid a fat molecule that has similar properties; examples include oils, waxes, and steroids
protein a molecule that is made up of amino acids and that is needed to build and repair body structures and to regukate pressures in the body
nucleic acid a molecule made up of subunits call nucleotides
Created by: erin.giuliano