Chapter 9 Vocabulary Test Review

                                           is the amount of mass for each cubic centimeter of milliliter. 

• density

• volume

• ductility

The                                 is the center of the atom.

• electron

• neutron

• nucleus

A                                  is a particle with a positive charge.

• proton

• neutron

• electron

The gradual wearing away of a metal as it combines with nonmetals in the environment is known as                                          .

• malleability

• corrosion

• ductility

A                                      is a material that conducts electricity better than a nonmetal, but not as well as a metal.

• molecule

• semiconductor

• element

                             is how strongly gravity pulls on an object.

• volume

• matter

• weight

                            is the amount of matter in an object.

• mass

• volume

• density

                       is anything that has mass and takes up space.

• volume

• density

• matter

                                          is the resistance to sinking.

• buoyancy

• density

• volume

 An                                              is a material that cannot be broken down into anything simpler by chemical reactions.

• atom

• molecule

• element