D. all of these can produce nuclear energy
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>
Answer:
a
Explanation:
most of the world is made of water because the oceans.
Answer:
alkali metals- Group 1
Explanation:
they have less valence electrons and therefore are more reactive
