The image below shows two nitrogen atoms. for these two atoms to form a stable molecule, n2, how many electrons would have to be part of covalent bonds

What layer of the atmosphere is directly above the troposphere?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this