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Chapter 15_ 2,3, & 4
Vocabulary for chapter 15 on sections 2, 3, and 4 for physical science
| Question | Answer |
|---|---|
| acid | any compound that increases the number of hydronium ions when dissolved in water |
| indicator | a compound that can recersibly 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; 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 up of amino acids and that is needed to build and repair body structures and to regulate processes in the body |
| nucleic acids | a molecule made up of subnits called nucleotides |