Sally Drives 120 km for 1.5 hours, rest for 0.5 hours and finishes her trip by driving an additional 80 km in 1 hour. What was her average speed during her car trip in km/hr?

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?