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.
What are the extra costs? 1  If you would like you new oven professionally installed, this will cost between $100-$250 extra. 2  If you need to have your new oven delivered to your home, there is usually a delivery charge of $25-$75 depending on the distance. 3  You can buy extra burners for gas stoves for an additional cost.hat are the extra costs? 1  If you would like you new oven professionally installed, this will cost between $100-$250 extra. 2  If you need to have your new oven delivered to your home, there is usually a delivery charge of $25-$75 depending on the distance. 3  You can buy extra burners for gas stoves for an additional cost.