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.
I live in a forty- five year old house that has a double wall oven unit that measures 23 inches wide and 29.5 inches high. For the top oven. The lower oven is 23 inches wide and 23 inches high. These ovens were made by Whirlpoole. The problem with buying a larger oven , which is what is what I would prefer, is that these ovens are set in a brick wall.