1 Gases consist of large numbers of molecules (or atoms, in the case of the noble gases) that are in continuous, random motion. 2  The volume of all the molecules of the gas is negligible compared to the total volume in which the gas is contained.  Attractive and repulsive forces between gas molecules is negligible.
Medical authorities say that Olympic sprint champion Florence Griffith Joyner died of suffocation month ago after suffering seizure while she slept; say seizure was caused by congenital abnormality of blood vessels in her brain (M)
Florence Henderson: I am so shocked and sad. Actress Ann B. Davis, who played Alice on The Brady Bunch, has died. She died after falling and hitting her head Saturday morning, a friend says. Her character anchored the show with witty one-liners and a cheerful attitude.