Air is a/an*1 pointCompoundElementElectrolyteMixture

What is the composition of air ?

Name the element which:(a) is 78% of clean, dry air ........................................................................................................ [1](b) has atoms with an electronic structure of 2,8,1 ................................................................... [1](c) is extracted from hematite ................................................................................................... [1](d) forms an oxide with a giant covalent structure .................................................................... [1](e) is the gas with the slowest rate of diffusion at room temperature

Which two properties define an air mass?

Air is a mixture of colorless gases. The air that makes up the Earth's atmosphere consists primarily of nitrogen and oxygen. Air is an example of which type of factor?

Air is a mixture of gaseous elements and compounds. Which of the following elements makes up the largest proportion of air? A. nitrogen B. water vapor C. carbon dioxide D. oxygen