2. Which of the following is the correct noble gas electron configuration for iron? a. [Ar]3d5
b. [Ar] 4s23d6
c. [Kr]4s23d6
d[Kr]3d5

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution