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)
The Brady Bunch's Florence Henderson has died from heart failure late on Thanksgiving Day, aged 82. Henderson, who spent decades in the iconic role of Carol Brady, died surrounded by family and friends at Cedars-Sinai Medical Center in Los Angeles, her manager Kayla Pressman said. She was admitted to hospital on Wednesday.