Achild has a bucket full of toys: foam alphabet letters, action figures, and toy cars.
dumping the toys into the child's bathwater to separate the foam alphabet letters from the mixture is taking advantage of which physical property?
a. size
b. density
c. magnetism
d. boiling point

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not