Predict whether each nuclide is more likely to decay via beta decay or positron emission. (a) Pb-192
(b) Pb-212
(c) Xe-114
(d)Mg-28
(e) Mg-22

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

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

Why do oxygen have a strong attractive force for electrons