Các phân nhóm nào trong bảng hệ thống tuần hoàn có tổng spin trong nguyên tử bằng không?

Draw the more stable lewis dot structure for bro2-

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)