Answer:
its your life
Explanation:
how does it personally relate to <u>yours</u>?
Answer: Arsenic has five valence electrons.
Explanation: Good luck!
N=9.03 x 10^ 23/6.02 x 10^23
n= 1.5 Mol
I think the answer is B. I really don't remember but im pretty sure its that one.
Noble gas configuration for Li : [He]2s¹
<h3>Further explanation
</h3>
In an atom, there are levels of energy in the shell and sub-shell
This energy level is expressed in the form of electron configurations.
Lithium with atomic number 3, then the electron configuration:
1s²2s¹
And for noble gas configuration or it can be called Condensed electron configurations :
[He]2s¹
