Compounds where a metalloid with a relatively high oxidation number bears a hydroxyl group are usually:

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

Can someone me with 3 and 4 plz. this is for masteries test.