basic def Flashcards
bond formed by the attraction between positive cation & negative anion
ionic bond
bond formed between 2 or more non-metals that share UNequally
polar covalent bond
bond between 2 or more non-metals that share equally
non-polar covalent
divided into elements & compounds; fixed composition & distinct properties
pure substances
contains more than one pure substance/types of matter
mixture
kilo (k)
10^3
deci (d)
10^-1
centi (c)
10^-2
milli (m)
10^-3
micro
10^-6
nano (n)
10^-9
pico (p)
10^-12
volume for cylinder
3.14r^2h
volume for sphere
((4/3)3.14r^3)
volume for cube
l^3
volume for rectangular prism
l•w•h
how close a series of numbers are
precision
how close to the measured value
accuracy
all samples of a given compound, have the same proportions of their constituent elements
law of definite proportions/constant composition
when 2 or more compounds of the same two elements are compared, masses are put into a ratio of small whole #s
law of multiple proportions
of protons (Z)
atomic number
of protons + # of neutrons (A)
mass number
