here are the choices
A. give off nuclear radiation.
B. are broken down by radioactive bacteria.
C. form chemical bonds.
D. are unchanged.
the answer is A.
c
An unstable nucleus loses particles until it becomes stable.
The familiar alpha particle scattering by thin gold foil experiment has given evidence for the existence of hard nucleus at the central region of the atom. The relevent interpretation was given by Rutherford.
alpha decay, beta decay, and gamma radiation
This is known as nuclear fission; the type of reaction that brings us nuclear power.
Gamma rays, which are photons with a certain energy step change, are emitted from the nucleus when the nucleus is returned from an excited state back down to ground state, as often occurs during alpha and beta decay.
radioactivity basically related to the decay of nucleus of atoms during this process many harmful rays emit which causes the skin diseases.
It is the nucleus of the atom that undergoes change during radioactive decay.
This process through which unstable nuclei emit radiation is called radioactive decay. It also is called nuclear decay, and it is a natural process in which an atom of an isotope decomposes into a new element.
Depending on the type of atom, a radioactive atom will decay by emitting an alpha particle (helium nucleus), proton, neutron, electron, or will split apart completely.
We use the general term radioactive decay to identify the spontaneous breakdown of an atomic nucleus.
An unstable nucleus loses particles until it becomes stable.
they are emitted by radioactivity during radioactive decay.
D. Radioactivity
they are emitted by radioactivity during radioactive decay.
Nuclear decay.Different types of nuclear decay include:Alpha Decay, where the nucleus ejects a charged particle made of protons and neutrons.Beta Decay, where a neutron turns into a proton, a Beta particle (an electron or positron) and a neutrino.Gamma radiation can also be emitted in these processes.
A type of radioactivity, where the nucleus of an atom emits an "alpha particle", which is a helium nucleus (2 protons+2 neutrons) so the remaining nucleus is 2 lower in atomic number.
The familiar alpha particle scattering by thin gold foil experiment has given evidence for the existence of hard nucleus at the central region of the atom. The relevent interpretation was given by Rutherford.