Question

what are the binary compounds

Answer 1

In a binary compound, there may be only one of each element. We see this with sodium chloride (salt) NaCl, which has one sodium (Na) and one chlorine (Cl). Still, we see some binary compounds that may have more than one of each element, like nitrous oxide N2O that has two nitrogen (N) and one oxygen (O). N2O is also called laughing gas, and you'll probably encounter it if you ever have to make a trip to the dentist to get your wisdom teeth removed. From acids to salts, binary compounds are always nearby.

Answer 2

In materials chemistry, a binary phase is chemical compound containing two different elements. Some binary phases compounds are molecular, e.g. carbon tetrachloride. More typically binary phase refers to extended solids. MM