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.
DON'T EAT: Double-Double The Double-Double with onion clocks in at a cool 670 calories, 370 from fat, and an artery clogging 41 grams of fat. The other killer on your Double-Double is the spread. Even though it tastes so delicious, opting for mustard and ketchup instead will spare you nine grams of fat and 80 calories.