Answer:
[Ne] 3s2 3p2
Explanation:
Neon (Ne) is the noble gas right before silicon (Si).
Then right after neon is the 3s subshell. It has two electrons and is full.
After 3s comes the 3p subshell, and silicon only has two electrons in the 3p subshell (you can just count the electrons in each subshell on your periodic table).
The Biotic Factor. (If that's what you were asking.)
Answer: D. It reacts with oxygen in the presence of moist air.
Explanation:
The element Gold, does not react with oxygen,hence it is not affected by corrosion,neither does it rust.
