Copper should not be disposed of in landfill sites
because the dust and waste gases of copper is very harmful to the environment. It
can leached into the ground possibly affecting the underground water.
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When a beta particle<span> is emitted from the nucleus the nucleus has one more proton and one less neutron. This means the atomic mass number remains unchanged and the atomic number increases by 1.
We can also say that </span>beta decay<span> is a type of radioactive </span>decay<span> in which a proton is transformed into a neutron inside an atomic nucleus.
</span><span>a) converts a neutron into a proton</span>
