When an element loses ana electron in beta decay , a new atom is formed. (I also know that a neutron changes into a neutron in this reaction or vice versa ) But anyway , an electron is lost and a proton is formed ,,, does that mean that the new atom formed is positive?
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In Beta (β-) decay, a neutron changes into a proton plus an electron. The proton stays in the nucleus and the electron leaves the atom with high energy, and we call it a beta particle.
When a beta particle 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 1.2