An atom gains two electrons, this is the new electron configuration: 1s22s22p63s23p5 What is the element symbol of this negatively charged atom?

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

the answer is a for sure mark brainliest i had got this right on usatestprep

c) should be the answer.