Question

a) What are noble gases?
b) What is the speciality of their outermost shells?​

Answer 1

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A)The noble gases make up a class of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six naturally occurring noble gases are helium, neon, argon, krypton, xenon, and the radioactive radon.

B) The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold.

Answer 2

• any of a group of gases that do not react with other chemicals.

• They are the most stable due to having the maximum number of valence electrons their outer shell can hold.

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