В, 2 столі невідомого елемента А но 7 електронів більше, ніж у йона Флуору. Визно невідомий елемент А то запиши формули сполук, утворені цим елементом, эко-
малентин полярии, неполяриин і йониим зв'язками. Зобрази схеми іх утворення.
Вирио пулені окиснения всіх елементів у сполуках.
Обчисли носові частки елемента А в кожній сполуці,

How does the space charge width change with forward and reverse bias? also, calculate the space charge width for a reverse bias of 4v on a silicon pn junction at t = 300k and doping concentrations of na = 5x1015cm-3 , nd = 5x 1016 cm-3 .

Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?