The elements of which group on the periodic table are most resistant to forming compounds?

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

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m