Exam 1 important terms Flashcards
random error
may make a measurment reandomly too high or too low
systemanic error
Consitently making a measurment too high or too low
inductive reasoning
thought process with specific observations and attempts to generalize to a larger universal conclusion
Deductive reasoning
thought process that takes two or more statments and combines them so a clear and irrefutable conclusion can be made
polymers
very large molecules made of many smaller molecules
Mass Number
sum of the number of protons AND nuetrons in a neclues
Atomic number
Number of protons in a nucleus (identifies elements)
isotopes
same number of protons diofferent number of nuetrons
lattice
when ions assemble into an extended array and are held together by the attraction between oppositely charged ions and ionic bonding occurs
ionic bond
medal and nonmetal
covalent bond
nonmetal and nonmetal
cemical formula
describe a copmpund in terms of the elements the compound contains
empirical formula
indicate the smallest whole number ratio between the atoms of each in molecular formula
organic chem
study of the compounds of the elemnt carbon, usually with O, N, and H
inoganic chem
study of all other elements and their compounds