Question

what r coumpounds explain

Answer 1

compounds are the substances that are obtained by the chemical reaction of two or more elements.
they don't show the properties of their constituent elements.
they can't be separated into their constituent elements by physical methods.
for example : CO2, H2O etc.

Answer 2

A compound is a substance formed when two or more chemical elements are chemically bonded together... Example 1: pure water is a compound made from two elements -hydrogen and oxygen. The ratio of hydrogen to oxygen in water is always 2:1 each molecule of water contains two hydrogen atoms bonded to a single oxygen atom.
Hope its help