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Spheres representing nitrogen and oxyfgen are different colors so you can easily tell them apart.I can't see or don't know what spheres you are asking about but I am guessing that they are different colours so that you can easily see which is nitrogen and which is oxygen
They are the two main constituents of the air and, as you will notice, they are colourless.
Nitrogen and oxygen are individual elements with different properties.
blue, 'specially SKY blue, if you get what I'm saying
Green and red made by oxygen atoms Blue and Purple made by nitrogen atoms The different colors appear in a different altitude
Nitrogen monoxide is a gas made from two different elements. This elements are oxygen and nitrogen.
the enzyme who does it is destroyed by oxygen
A single nitrogen atom can be chemically reactive while a nitrogen molecule is relatively stable and tends to be faf more inert. A nitrogen molecule also has twice the mass of a nitrogen atom.
oxygen and nitrogen
There are 7, 8 and 10 protons in nitrogen, oxygen and neon respectively. Neon has 8 valence electrons and is stable. Nitrogen and oxygen have 5 and 6 valence electrons respectively are are reactive.
They have way different masses!!
Hydrogen and Nitrogen. Or oxygen and carbon dioxide, or carbon monoxide.