0
the have not got a full outer shell
2. NO. Elements which are unstable have a nucleus which is unstable. It will eventually spit out a charged particle, or perhaps a neutron.
The resultant atom is called a daughter atom.
Uranium and Radium are probably the two best known radioactive elements.
because in the process of emitting alpha rays they become stable or change into other elements by emitting gamma particles.
Add your answer:
Earn +20 pts
Do all elements decay over time?
It is the unstable isotopes of elements that decay over time. All elements have an isotope or isotopes that are unstable and will decay over time. (These isotopes will be either naturally occurring or will be synthetic.) Some isotopes of some elements, however, are stable, and they will not undergo radioactive decay.To discover what's what, we have to do some homework, and what better place to start than the table of nuclides? It lists all the elemets, and all the isotopes of each element. Further, it tells us which ones are stable, which are unstable, and will also help us determine the decay mode of the unstable nuclides.
Does radioactive mean in science?
The atoms structure is unstable and it emits alpha or beta particles that changes the Atom
Elements whose atoms give off radiation are called?
Radioactive elements give off radiation. The emission of radiation occurs when an unstable atomic nucleus tries to become stable. Some examples of radioactive elements are radium, curium, nobelium, rubidium, and polonium.
How do you use the word unstable in a sentence?
The girl was unstable and stumbled often.
What is made up of a usable amount of metallic elements?
If you mean a mixture of metallic elements, it is an alloy.
Where are the unstable and radioactive elements found in the periodic table?
Unstable and radioactive elements are typically found in the lower half of the periodic table, specifically in the lanthanides, actinides, and some heavier elements in the main groups. These elements have nuclei that are prone to undergoing radioactive decay, leading to their instability.
What are stable and unstable elements of nuclear chemistry?
Unstable chemical elements are disintegrated by radioactive decay.
What are the unstable element?
Radioactive elements are unstable, and the shorter the half-life, the more unstable they are.
Which are unstable elements that decay or break down into differt elements?
Unstable elements that decay or break down into different elements are called radioactive elements. These elements have an unstable atomic nucleus that undergoes radioactive decay, transforming into a different element and releasing energy in the process. Examples of radioactive elements include uranium, radium, and plutonium.
Which are unstable elements that decay or break down into different elements?
Radioactive
What are synthesizers?
Synthetic elements are unstable chemical elements not naturally found on the earth. They are synthesized in the laboratory. All of them are unstable and radioactive in nature, which means they emit radiations and decay into other elements.
What contains all known elements?
The periodic table does. If you mean the actual elements, nothing in the universe can contain all elements at once, since many are to unstable to be formed and exist while the others are being created.
Is O radioactive?
If you mean oxygen: like most elements, it has both stable isotopes, and unstable (i.e., radioactive) isotopes. 16O, 17O and 18O are stable; the unstable (radioactive) isotopes include 15O and 14O.
Why are elements fe and s considered unstable atoms?
Iron (Fe) and sulfur (S) are not considered unstable atoms. Both elements are stable on their own in their natural state. However, certain isotopes of iron and sulfur can be unstable and undergo radioactive decay.
What are unstable elements that give off energy as they decay called?
The elements described are said to be radioactive.
Are superheavy elements stable or unstable?
Superheavy elements are generally very unstable and quickly decay through nuclear processes like alpha decay or spontaneous fission. Their short half-lives make them difficult to study and understand.
What does destabilize mean?
To come unstable; to be in the process of becoming unstable.
