6. a chemist wants to build a model of an element using a box. what should the box be filled with to
illustrate the relationship between atoms and elements?
a. red marbles because bonds form between atoms that are the same
b. red marbles because an element is made up of atoms that all have the same properties
c. an equal number of red and blue marbles because an element is made up of an equal ratio of atoms
d. an equal number of red and blue marbles because bonds form between atoms that have different
properties
polyethylene is a flexible substance that is used in some plastic bags. the picture shows a model of
polyethylene