HELP PLEASE: describe the periodic trends of an atomic radius electronegativity ionization energy and ionic radius what they are analyzing in which direction to increase on the table explain how each of them are related to one another

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

How many atoms are there in 5.70 mol of mg

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange