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Science Units 15-16

Vocab Mr. Morrison's class 1A

the combining of atoms to form molecules or compounds chemical bond
a compound made of oppositely charged ions ionic compound
a chemical compound formed by the sharing of electrons covalent compound
any compound that increases the number of hydronium ions when dissolved in water acid
a compound that can reversibly change color depending on conditions such as pH indicator
any compound that increases the number of hydroxide ions when dissolved in water base
the reaction of an acid and a base to form a neutral solution of water and a salt neutralization reaction
a value that is used to express the acidity or basicity (alkalinity) of a system pH
an ionic compound that forms when a metal atom replaces the hydrogen of an acid salt
a covalently bonded compound that contains carbon organic compound
an organic compound composed only of carbon and hydrogen hydrocarbon
a class of energy-giving nutrients that includes sugars, starches, and fiber; composed of one or more simple sugars bonded together carbohydrate
a type of biochemical that does not dissolve in water; fats and steroids are lipids lipid
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 protein
a molecule made up of subunits called "nucleotides" nucleic acid
the process by which an unstable nucleus gives off nuclear radiation radioactivity
the sum of the numbers of protons and neutrons in the nucleus of an atom mass number
an atom that has the same number of protons (or the same atomic number) as other atoms of the same element do but that has a different number of neutrons (and thus a different atomic mass) isotope
the time needed for half of a sample of a radioactive substance to undergo radioactive decay half-life
the splitting of the nucleus of a large atom into two or more fragments; releases additional neutrons and energy nuclear fission
a continuous series of nuclear fission reactions nuclear chain reaction
the combination of the nuclei of small atoms to form a larger nucleus; releases energy nuclear fusion
Created by: ILikeTrainz3