Answer: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^4
Explanation:
I suggest looking at the electron configuration chart, it has really helped me a lot :)
Answer:
toilet seat and washing of hands ✋ very well
C. A central body is the center of the universe.
100 grams of solute would be present as 20% of 500 is 100