Определите строение ядра атома меди. подробно распишите

1)my book is lying on the table. 2)they are working. 3)the doctor and her patient are talking. 4)we are cooking dinner. my mother is making a salad. 5)a young man is driving a car. he s listening to music. 6)my grandfather is reading a book. 7)the pen is lying on the floor. 8)are you having a break? 9)she is still singing.