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What happens to the mass number of a nucleus when it emits an electron?
Wiki User
∙ 11y ago
When a nucleus emits a beta particle (electron) it is a result of neutron decay. This decay will also release an antineutrino and a proton is left which increases the Atomic Mass by one thereby changing the element.
Wiki User
∙ 11y ago
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What happens when an electron returns to its lower energy level?
it emits different colours. Hope it helps.
What changes take place in the nucleus when an alpha particle is emitted?
In short, alpha radiation occurs when an unstable nucleus emits 2 protons and 2 neutrons from it's nucleus. This means that the atomic number decreases by 2 and the nucleon number decreases by 4.
When a nucleus emits radiation it becomes?
it becomes less energetic .
What happens to excess energy when the electron jumps from a higher energy orbit to a lower energy orbit in the hydrogen atom?
The electron emits a photon of light which we can see in a spectrograph as color. Four colors are normally seen in a hydrogen atom subjected to energy.
What happens to a radioactive nucleus when it emits gamma ray?
It's atomic number decreases by 2 (because it has lost two protons) but as an alpha particle is two protons and two neutrons the Atomic Mass decreases by 4.
What happens to a radioactive nucleus when it emits alpha particle and What happens to a radioactive nucleus when it emits alpha particle?
dude..
What happen to atomic number and mass number of nucleus when it emits electron?
"Number" goes up by one, mass stays the same.
When an unstable nucleus emits a beta particle is the atomic number increased by one unit?
Yes. When an atom emits a Bita particle, actually its the degradation of a neutral particle, i.e a neutron, which forms a proton and an electron. Since no electron can exist inside a nucleus, so it is emitted out as a bita particle, but the proton stays inside the nucleus, thereby increasing its atomic number by 1.
When a radioactive isotope emits a its atomic number increases?
a beta particle. the nucleus is made of protons (+) and neutrons. but neutrons can transform into an electron and a proton. when that happens in the nucleus, the proton stays in the nucleus while the electron shoots out at incredibly high speeds. that high speed electron is called a beta particle. the proton that stays is added to the other protons to increase the atomic number
What happens to a radioactive nucleus when it emits is gamma particle?
it becomes stable.
What happens to atoms that are radioactive?
Its nucleus emits radioactive particles continuously.
What happens to atoms and their electrons while the entity emits light?
The electrons of the atom move closer to the nucleus while the atom emits light.
What happen to atomic number and mass number of nucleus when it emits proton?
Both get decreased as At. no = No. of Protons & At. mass = No. of protons + No. of neutrons in the nucleus.
What happens when an electron returns to its lower energy level?
it emits different colours. Hope it helps.
Nucleus has no electron yet can eject them.Why?
In beta decay (β⁻), a neutron converts to a proton, and emits an electron and an electron antineutrino. So the electron wasn't there from the start; it gets created as part of the beta decay.
What happens when U-235 emits a beta particle?
beta decay results from the transformation of a neutron in the nucleus to a proton (+ charge) and an electron (beta particle). The proton remains in the nucleus increasing the atomic number by one (mass number remains the same) while the electron is emitted as a beta particle. So, U-235 of atomic number 92 changes to Neptunium with atomic number 93. However, to my knowledge, U-235 decays by gamma not beta. U-236 decays by beta to Neptunium-236.
Why any atom gain electron?
Most commonly in various forms of chemical bonding, particularly ionic. Also when a nucleus emits a negatively charged particle, forcing the atomic number to increase by 1. when does a nucleus EVER emit a negative charge? lol ^
