Hey there! Could you answer the question below, number 10.? Thanks!!

What element breaks down into yttrium-90?

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

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?