Can somebody please help ! I will mark Brainly
![Can somebody please help I will mark Brainly class=](https://us-static.z-dn.net/files/de0/daee542114fbe0667c5355b8e89b550b.png)
Your answer is C. One atoms of calcium and two atoms of fluorine. When the number is next to the letter, that shows how many. Hope I helped! :D