Easily put, an electron is a subatomic particle that carries a negative electric charge. There are no known components, so it is believed to be an elementary particle(basic building block of the universe). The mass of an electron is 1/1836 of its proton. Electrons have an antiparticle called a positron.
Double Oven Average Costs . Double ovens start at around $1,250 to $2,500 and can cost as much as $4,000 to $5,000 or more. Professional installation of a double oven might cost $100 to $200 (or more, if cabinet alteration is required). To make installation as easy as possible, look for a double oven that's the same size as your old oven.
We definitely want a double wall oven and either a 36 or 48 inch cooktop with at least a grill, and possibly a griddle as well. I currently have only a basic 30 inch gas range with a traditional microwave above over the range, and a countertop toaster oven that I probably use as much as the range.