Does the reaction occur in a single step in which x and y collide? answers

Maybe you should get some from your teacher and learn more so you can get your grades up and maybe study a bit more

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Ahigh energy (high speed) particle (alpha or beta or neutron) are shot at the target;

The main types of electromagnetic radiation. radio  waves have  the lowest frequencies  and  longest  wavelengths, while gamma  waves have highest frequencies  and shortest wavelengths. the wavelengths vary across the electromagnetic spectrum from about 10–15 m to more than 104 m.hope it !