Q: What are compounds composed of only two elements called?


Read this paragraph and choose the correct option from the provided answers:

Binary compounds are compounds composed of just two elements. The simplest kind of decomposition reaction is when a binary compound decomposes into its elements. Mercury(II) oxide, a red solid, decomposes when heated to produce mercury and oxygen gas.

 Choices:

- digital compounds

- symbiotic compounds

- kinetic compounds

- binary compounds


A:
binary compounds