How are salts formed?

by the covalent bonding of neutral atoms.
by the covalent bonding of oppositely charged ions.
by the ionic bonding of a cation and an anion.
by intermolecular hydrogen bonding.

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Why is silver chloride is an ionic compound