Question

An electron is emitted from a nucleus- State the effect this has on the charge of the nucleus

Answer 1

The charge of the nucleus becomes positive.

The effect of an electron being removed has on the charge of the nucleus is actually quite simple.

Think about it like this. An atom has an equal amount of electrons and protons.

Say, Hydrogen.

Protons:1

Electrons:1

The charge is equal. Now, take away an electron.

Protons:1

Electrons:0

There is no negativity now, that an electron is absent.

This makes the charge of the nucleus positive, due to the absence of an electron.

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Answer 2

$Question$

An electron is emitted from a nucleus- State the effect this has on the charge of the nucleus

Answer:

an electron orbiting around the nucleus combines with a nuclear proton to produce a neutron, which remains in the nucleus, and a neutrino, which is emitted.  As in positron emission, the nuclear positive charge and hence the atomic number decreases by one unit, and the mass number remains the same.

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