Look at the graph. Notice that there is a peak, a drop, and the pattern repeats. Which group from the periodic table is at each peak?

How many neutrons does a atom of cobalt have?

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

The number at the end of an isotope’s name is the number.