Calculate the N/Z ratio for elements with atomic numbers 104 through 109. Are they in the belt if stability? Are they stable? How do you know? What does this show about the belt of stability?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?