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chapter 3 vocab
Term | Definition |
---|---|
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 base to form a neutral solution of water and a salt |
pH | a value that is used to express the acidity or basically (alkalinity) of a systom |
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; composed of one or more simple sugars bonded together |
lipid | a type of biochemical that does not dissolve in water; fats and steroids are lipids |
protein | a molecule that is made 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 sub-units called nucleotids |