Examlex
Write the ground state electron configuration for the selenium atom.
Side Rails
Metal or plastic guards that attach to the sides of a hospital bed to prevent patients from rolling out of bed and to assist them in repositioning themselves.
Call Bell
A device used by patients to alert or call for medical staff assistance, commonly found in hospitals and long-term care facilities.
Hearing Aid
A small electronic device worn in or behind the ear that amplifies sound for people with hearing loss.
Batteries
Devices consisting of one or more electrochemical cells with external connections, used to power electrical devices.
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