Most teenagers don't exercise before school. They like staying in their beds in the morning. Penny gets up at six o'clock. She gets dressed to go to the gym because Penny is a gymnast. She doesn't have breakfast with her family. They're still in bed! After the gym, Penny goes to school. Her school starts at half past eight and it finishes at half past three. But she doesn't feel tired. 'Gymnastics gives me energy. After school, Penny does her homework and she has dinner with her family. In the evening, Penny uses the internet and she watches films, but Penny doesn't go to bed late.
атом фосфора состоит из положительно заряженного ядра (+15) и трёх электронных оболочек, на которых находится 15 электронов. ... Графически расположение строение атома выглядит следующим образом: +15 P)2)8)5; 1s22s22p63s23p3.