Determine the empirical formula of a compound that contains 30.45% nitrogen and 69.55% oxygen

What can be the use of smoke transformed into liquid?

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Which element is the least metallic between cadmium, silver, zinc, or iron?