What particle within an atom vibrates to generate electromagnetic radiation?

Embryos of different species look very similar, which shows that the organisms share a ancestor.

What is the mass of 0.46 mol of mgcl2

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3