Safe Patient Handling Toolkit - 2011 Edition11 â¢ Put the bed at the correct height (waist level when pro-viding care; hip level when moving a patient .) â¢ Try to keep the work directly in front of you to avoid rotating your spine . â¢ Keep the patient as close to you as possible to minimize reaching or overstretching .
Chemical elements listed by the discovery year. For chemistry students and teachers: The tabular chart on the right is arranged by the discovery year. The oldest chemical element is Phosphorus and the newest element is Hassium. Please note that the elements do not show their natural relation towards each other as in the Periodic system.
In case you forgot your high school chemistry, here's a quick refresher: An element's atomic number is the number of protons it contains in its nucleus. The heaviest element in nature is uranium, which has 92 protons. But heavier elements-which have more protons in their nucleus-can be created through nuclear fusion. (Related: Learn how to make an element .).