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chem Q5 (3.1)
Question | Answer |
---|---|
stoichiometry | the science of the numerical relationships between elements and compounds |
chemical formulas | symbolic representations that specify the elements present in a compound and the relative numbers of atoms of each element present |
molecular, ionic | two major categories of chemical compounds |
molecular compounds | compounds made of groups of two or more atoms linked together |
molecules | groups of two or more atoms linked together by chemical bonds to form distinct units |
ionic compounds | compounds made of electrically charged particles |
ions | electrically charged particles |
molecular formula | tells how many of each type of atom are found in an actual molecule of that substance |
empirical formula | shows only the simplest ratio of atoms in a compound |
formula unit (identical to empirical formula) | simplest ratio of atoms in an ionic compound |
-ide | added to the end of the second element's name when naming chemical compounds |
molecular compounds containing two nonmetals | the method of naming compounds we learn is used mostly to name what |
mono- | one atom prefix |
di- | two atom prefix |
tri- | three atom prefix |
tetra- | four atom prefix |
penta- | five atom prefix |
hexa- | six atom prefix |
hepta- | seven atom prefix |
octa- | eight atom prefix |
nona- | nine atom prefix |
deca- | ten atom prefix |