An ideal gas is made up of gas particles that... (A) ...have volume.
(B) ... attract each other.
(C)...can be liquified.
(D) ... are in random motion.

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

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.

Which of the following words describe the reality that the universe looks the same from various perspective