Of those twelve, only methyl bromide and neopentyl bromide could not possibly be derived by the addition of HBr--Markovnikov or non-Markovnikov--to an alkene of the appropriate structure. 1  For each of the other ten alkyl bromides, determine: 2  which ones could be formed by the Markovnikov addition of HBr to an alkene.
Electroconvulsive therapy (ECT) is a treatment for certain mental illnesses. During this therapy, electrical currents are sent through the brain to induce a seizure. The procedure has been shown to help 78 percent of people with clinical depression.
Medical Definition of EMT. : a specially trained medical technician certified to provide basic emergency services (as cardiopulmonary resuscitation) before and during transportation to a hospitalâcalled also emergency medical technician; compare paramedic 2.