the of an object is where the object is in relation to another object or points of reference. A motion B force C gravity D position

The first element on the periodic table of elements is carbon. a. true b. false

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

Wind and moving water provide energy. chemical mechanical thermal none of the above