<u>Answer:
</u>
When the outer electron shell is full in an element, this creates a Noble gas.
<u>Explanation</u>:
Noble gases are the elements that belong to group 18 in the periodic table. Noble gases are also called as inert gases. The outermost shell of the noble gases are fully filled by electrons. Due to this the noble gases don’t react with any other elements and remain isolated.
There are 6 noble gases in the periodic table. They are helium (He), Argon (Ar), Neon (Ne) Krypton (Kr), Radon (Rn) and Xenon (Xe). Noble gases conduct electricity. They are fluorescent, odorless and colorless. Noble gases are used a maintain stable elements in a constant and safe environment.
It is important because you need vitamins and minerals from them e.g. Scurvy no vitamin c
Group 7A, the Halogens contain metalloids such as Astatine.
D. a viral disease because it is known and unknown and spreads.
The difference between forensic science and criminalistic is that, in criminalistic it is a subject of forensic science while forensic science encompasses different fields.
Forensic science serves as the law by analyzing the evidence.
Another name for criminalistics is forensic science whereby it is the application of principles which are scientific and in a criminal case they do provide good evidence.
Depending on a person experience and education there are better options for jobs in forensic science.
