Answer:
SrF₂
Step-by-step explanation:
The combining species are strontium and fluorine atoms.
They form an ionic bond because strontium is a metal and it will lose two electrons. Two atoms of fluorine will take up each of the two electrons.
The electrostatic attraction between the two charged particles forms the bond;
Elements:
Sr F
Valency 2 1
Exchange of
power 1 2
The compound is SrF₂