Chemistry — Elements vs Compounds
Two kinds of pure substance.
Make it your own.
title "Elements vs compounds"
set E "Elements"
set C "Compounds"
only "E" "One type of atom; cannot be broken down chemically; e.g. O2, Fe, He"
only "C" "Two or more elements bonded; fixed ratio; e.g. H2O, NaCl, CO2"
intersect "E,C" "Pure substances; uniform composition; shown by a formula"