What is the simplest formula for the compound?

Asolution has a ca2+ concentration of 0.049 m and an f- concentration is 0.147 m at equilibrium. the value of ksp for caf2 at 25°c is 4.0 x 10-11. will this solution form a precipitate? yes no

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

What happens to the atomic radius when an elctron is lost