0
What happens to the atomic mass and number during gamma ray emission?
Wiki User
∙ 12y ago
The atomic number and Atomic Mass number do not change as a result of gamma emission. That said, gamma emission is the result of the nucleus stabilizing itself from an excited state that was caused by some event, such as an alpha, beta, neutron, or some other kind of emission. As a result, when you look at the big picture, the atomic number and atomic mass number do change as a function of the event preceding the gamma event. The only time this is a distinct event is in the metastable nuclides, such as Tc-99m, where the gamma emission that follows the beta- emission does not immediately follow it - it can be delayed with a half-life of six hours.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
The atomic number increases but the atomic mass stays the same?
The atomic number increases but the atomic mass stays the same after the emission of a beta particle by a radioactive atom.
What happens to the atomic mass number in a radioactive substance?
In a radioactive substance, the atomic mass number may change as a result of radioactive decay. During radioactive decay, radioactive atoms undergo nuclear reactions, which can lead to the emission of radioactive particles such as alpha or beta particles. These emitted particles can cause a change in the number of protons and neutrons in the nucleus, resulting in a different atomic mass number for the resulting atom or isotope.
What happens to the atomic number when an alpha particle is given off?
Alpha emission in an atom reduces its atomic number by two. A link can be found below to the related question about what alpha decay is.
The beta emission process results in the daughter nucleus differing in what manner from the parent?
atomic number increases by one
What happens to the atomic number as you move across a period?
.The atomic mass increases
The atomic number increases but the atomic mass stays the same?
The atomic number increases but the atomic mass stays the same after the emission of a beta particle by a radioactive atom.
How do positron emission and electron capture change an atom?
After positron emission or electron capture the atomic number is decreased with one.
How does nuclear decay affect the atomic number and mass number of a nucleus that changes after undergoing decay?
Beta+ decay and electron capture causes the atomic number to drop by one. Beta- causes the the atomic number to rise by one.Proton emission causes the atomic and mass number to drop by one.Neutron emission causes the mass number to drop by one.Alpha decay causes the atomic number to drop by two and the mass number to drop by four.
If an isotope undergoes beta emission?
If a radioactive isotope undergoes beta emission, a. The atomic number changes B. the number of neutrons remains constant c. The mass number changes d. The todo isotope loses and electron
What happens to the atomic number of an element if it emits 1 alpha particle and 3 beta particles?
It depends on whether the beta decay is beta- or beta+. The alpha emission reduces the atomic number by 2. Beta- increases the atomic number by 1 while beta+ decreases the atomic number by 1. You do the math.
What happens to the atomic mass number in a radioactive substance?
In a radioactive substance, the atomic mass number may change as a result of radioactive decay. During radioactive decay, radioactive atoms undergo nuclear reactions, which can lead to the emission of radioactive particles such as alpha or beta particles. These emitted particles can cause a change in the number of protons and neutrons in the nucleus, resulting in a different atomic mass number for the resulting atom or isotope.
What happens to the atomic number and the number of protons?
They are the same
The emission of a Beta particle has the effect of?
The emission of a Beta particle has the effect of decaying a neutron into a proton and an electron. This increases the atomic number and the electron is ejected energetically. The number of neutrons are decreased by one and the number of protons increase by one, changing the atom to a different element.
What happens to the atomic number from top to bottom in a column?
The atomic number at the top is always less than the atomic number at the bottom of the column
The process of positron emission results in a change to the atomic nucleus. Is that change a decrease of 1 or a decrease of 2 or an increase of 1 or is there no change?
In positron emission, atomic number decreases by one. That's because a proton in the nucleus of the element that is about to undergo positron emission changes into a neutron. This is beta plus decay, by the way. You'll recall that the atomic number of an element, which is that element's chemical identity, is determined solely by the number of protons in the nucleus. If we "lose" a proton because it changes into a neutron, atomic number will now decrease by one. Check out the links below to related posts.
What happens to the atomic number when an alpha particle is given off?
Alpha emission in an atom reduces its atomic number by two. A link can be found below to the related question about what alpha decay is.
When uranium-238 atomic number 92 decays by emitting an alpha particle it becomes?
The atomic number will decrease by 2. An alpha particle is a helium-4 nucleus, and it contains a pair of protons and a pair of neutrons. During alpha decay, an atomic nucleus has its atomic mass decrease by 4, and its atomic number decrease by 2.
