Elements in group 18 of the Periodic Table.
Stable.
Having the outer shell of electrons filled noble gases are very stable.
a description of a nonreactive chemical element
Nobel gases are relatively nonreactive because they have eight electrons in the outermost energy level, which is a stable configuration
The noble gases family do not react with other elements since they have a full valence shell of electrons, making them stable and nonreactive.
The noble gases, including neon, have a complete outer shell of electrons, making them stable and nonreactive. They are colorless, odorless, and tasteless gases at room temperature. They have low boiling and melting points, and are used in lighting, cryogenics, and various technological applications.
Noble gases
Helium is a nonreactive element that was discovered as a pure element. It is a noble gas with a full outer electron shell, making it stable and unreactive with other elements.
It is not true; many metals are very reactive and several nonmetals are nonreactive.
a very stable constitution
These are the noble gases.
Noble gases are the group of elements that are very stable and nonreactive due to their full outer electron shells, which gives them little tendency to gain, lose, or share electrons to form chemical bonds.