Nuclear decay.
Nuclear decay.
The process is called sublimation.
the atom to become unstable and rip apart
compaction
condensation
Nuclear decay.
Radium undergoes radioactive decay, specifically alpha decay, to become radon. Radium-226 (226Ra) will undergo alpha decay releasing that alpha particle, which is a helium-4 nucleus, to become radon-222 (222Rn).
Plant cells that are transitioning from parenchyma to collenchyma. The transition process sheds the nucleus as the cell walls become thickened and the cell beings to die. This is the process that is responsible for tree bark.
Necrosis
lead
Radium, being radioactive, will irradiate and activate some things placed near a sample. The element radium in its "natural" form is an alpha particle emitter, and things that get hit by an alpha particle have a chance of undergoing nuclear transformation. An alpha particle, which is emitted by a 226Ra atom when it decays, is a helium-4 nucleus. It's composed of two protons and two neutrons. This is a "heavy hitter" as regards particulate radiation. It won't travel far, even in air, because it is too massive and it "runs into stuff" in scattering reactions because of its size. But when it reacts with a nucleus, things happen. That's how some materials near a radium source become radioactive.
It is call Naturalization.
This phenomenon is rare, non obligatory. For example beryllium irradiated with alpha particles from radium emit neutrons.
The nucleus would be damaged.
No, radium does not glow in the dark. If it did, then the whole world would be glowing in the dark. Rocks, soil, plants, and any living thing contains some radioactive material. The myth can be traced back to the "radium craze" of the early 20th century, when radium was just about added to everything. When the radium was added to paint, it became luminous. This was the origin of the "radium glow". In fact, it wasn't the radium glowing, but it was reacting with the copper and zinc in the paint, causing it to become luminous, in a phenomenon called "radio-luminescence".
Radioactive.
The threadlike bodies of cells within the nucleus are called chromosomes, also known as DNA. They become visible during the division process.