Marking brilliant I just need a little help. please

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

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

What atom has the largest atomic radius