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| Smallest particles of an element that have prooperties of the element |
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| The sum of protons and neutrons in an atom |
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| Number of protons in an atom |
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| Substances made up of two or more kinds of atoms combined |
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| Substances made entirely of one kind of atom |
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| Negatively charged particles found in the spaces outside the nuclei of atoms |
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| Atoms that differ from other atoms of the same element by the number of neutrons in their nucleus |
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| Particles found in the nuclei of atoms that have no electric charge |
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| Positively charged particles found in the nuclei of atoms |
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| Contains neutrons and protons in an atom |
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| Process in which the nucleus of an atom gives off radiation or charged particles |
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| Force of attraction between atoms that holds them together in compounds |
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| A written representation of a compound in which a chemical symbol replaces each element |
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Definition
| The process in which chemical bonds are broken and the atoms form new bonds, producing new substances |
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| Chemical bond that is formed by the sharing of electrons |
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| Molecule formed when two atoms of the same element combine in a covalent bond. |
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| Atom or group of atoms with an excess electrical charge |
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Definition
| Force of attraction between two ions in a chemical compund |
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Term
| Law of conservation of mass |
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Definition
| Principle stating that mass can neither be creted or destroyed |
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Definition
| Uncharged group of atoms held together by covalent bonds |
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Definition
| New substances formed by chemical reactions |
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Definition
| Substances that take part in chemical reactions |
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Definition
| Chemical formula that shows how atoms in a molecule are bonded to one another |
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Definition
| Mixture in which the solute particles are larger than than molecules or ions |
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| Combination of substances that are physically mixed without forming new chemical bonds |
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Definition
| Substances that are dissolved in solvents |
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| Substance, usually a liquid, that makes up the bulk of a solution |
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| Mixture that separates when left still |
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| Compund that produces hydrogen ions in water solution |
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| Compound that produces excess hydroxide ions when dissolved in water |
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| Substance that changes color when the pH goes above or below a certain value |
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| Reaction of an acid with a base to produce a neutral solution |
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Definition
| Unit of measurement that indicates the concentration of hydrogens ions in a solution |
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| Ionic compound produced by the neutralization reaction between an acid and a base |
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| Compound that contains carbon and usually hydrogen |
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| Any compound that isn't an organic compound |
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Definition
| Tendency of a molecule or compound to be attracted or repelled by electrical charges |
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Definition
| Force of attraction between molecules of the same substance |
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Definition
| Attraction of molecules of differebt substances |
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Definition
| Upward movement of a liquid in a tube of narrow diameter |
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Definition
| Organic compund of carbon, hydrogen, and oxygen in which the ratio of hydrogen to oxygen to carbon is 2:1:1 |
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| Simplest type of a carbohydrate |
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Definition
| Type of reaction in which two molecules are bonded together by removal of a water molecule |
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| Molecule formed by bonding of two simple sugars |
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| Long chain of repeating sugar units formed by joinig simple sugars by dehydration synthesis |
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| type of cell division that results in two daughter cells each with half the chromosome number of the parent cell, as in the production of gametes. |
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| a mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote. |
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| the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote. |
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| a diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum. |
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Definition
| chromosome pairs of the same length, centromere position, and staining pattern, with genes for the same characteristics at corresponding loci. One homologous chromosome is inherited from the organism's mother; the other from the organism's father. |
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| the evolution of a new species in a relatively short period of time |
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| Behavioral adaptation is an adaptation that helps an organism enhance either survival or reproduction |
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| A kind of evolution wherein organisms evolve structures that have similar (analogous) structures or functions in spite of their evolutionary ancestors being very dissimilar or unrelated. |
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| The process by which an interbreeding population or species diverges into two or more descendant species, resulting in once similar or related species to become more and more dissimilar. |
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Definition
| The process of change in the genetic composition of a population due to chance or random events rather than by natural selection, resulting in changes in allele frequencies over time |
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| The physical separation of members of a population. |
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| The view that speciation proceeds by imperceptibly small, cumulative steps over long periods of time rather than by abrupt, major changes. |
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| An organismic or systemic response of an individual to a specific external stimulus in order to maintain homeostasis. |
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| The hypothesis that evolutionary development is marked by isolated episodes of rapid speciation between long periods of little or no change. |
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| The mechanisms of reproductive isolation or hybridization barriers are the collection of mechanisms, behaviors and physiological processes that prevent the members of two different species that cross or mate from producing offspring |
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| The formation of new and distinct species in the course of evolution |
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| A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. |
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| when an animal or a living thing is adapted to its enviroment by the way it's body is built. |
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