The answers that are correct are a, b, and d
Answer:
B) Their valence shell is full
Explanation:
In order to be classified as a noble gas, an element must have a complete octet/ a full shell of valence electrons, as shown in answer B.
A and C are just incorrect. Since noble gasses are very unstable, D is a true statement, but is isn't the correct answer as this does not explain why they are inert.
<h3>Hope this was helpful!</h3>
I'm not completely sure but if I did know I would definitely tell u
The correct answer is 30 seconds
The more UV rays reach the earth
