which is most likely a covalent compound?\n○ lif\n○ mgs\n○ nh₃\n○ cacl₂

which is most likely a covalent compound?\n○ lif\n○ mgs\n○ nh₃\n○ cacl₂
Answer
Brief Explanations:
Covalent compounds are formed by sharing of electrons between non - metals. LiF is a compound of lithium (a metal) and fluorine (a non - metal), forming an ionic compound. MgS is a compound of magnesium (a metal) and sulfur (a non - metal), an ionic compound. $NH_3$ is formed by sharing of electrons between nitrogen and hydrogen, both non - metals. $CaCl_2$ is a compound of calcium (a metal) and chlorine (a non - metal), an ionic compound.
Answer:
$NH_3$