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Chem Chap 1
terms for intro to chem
Question | Answer |
---|---|
Matter | anything that takes up volume/space |
composition | simple components that make up a structure |
structure | refers to composition and the arrangement of the simpler substances that make up matter |
atom | fundamental unit of matter |
element | simplest form of matter |
element is made of | one type of atom |
compounds | substances composed of more than one element- bound in fixed ratios ex. H2O- 2 hydrogen, 1 oxygen |
molecule | compounds that form groups of atoms |
pure substances | materials containing only one element or compound. ex: copper, water |
mixture | contains more than one subtances. ex: bronze= copper and tin, Brass= copper and zinc--- alloy metals |