Do compounds, made up of elements retain the same properties of the elements that make them up?

Molecules are the simplest unit of a covalent compound, and molecules can be represented in many different ways. Atoms are the smallest units of matter that still retain the fundamental chemical properties of an element. ... A compound is a distinct group of atoms held together by chemical bonds.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )