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Science!!!!
Chapter 15 vocab
Word | Definition |
---|---|
Chemical bond | the combining of atoms to form molecules or compounds |
Ionic compound | a compound made of oppositely charged ions |
Covalent compound | a chemical compound formed by the sharing of electrons |
Acid | any compound that increases the number of hydronium ions when dissolved in water |
Indicator | a compound that can reversibly change color depending on conditions such as pH |
Base | any compound that increases the number of hydroxide ions when dissolved in water |
Neutralization reaction | the reaction of an acid and a base to form a neutral solution of water and a salt |
pH | a value that is used to express the acidity or basicity (alkalinity) 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 compound composed only of carbon and hydrogen |
Carbohydrate | a class of energy giving nutrients that includes sugars, starches, and fiber |
Lipid | a type of chemical that does not dissolve in water |
Protein | a molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body |
Nucleic acid | a molecule made up of subunits called nucleotides |