Question

question 5
does every atom have an octet of electrons?
yes
no

Explanation:

The octet rule states that atoms tend to gain, lose, or share electrons to have 8 electrons in their valence shell. However, there are exceptions. For example, hydrogen ($H$) only needs 2 electrons (duet) to have a stable electron configuration like helium. Helium ($He$) already has 2 electrons in its only shell (which is full as the first shell can hold a maximum of 2 electrons). So not every atom has an octet of electrons.

Answer:

B. No