Show answer Compounds A compound is a pure substance that is made from more than one element. In a compound, elements are chemically bonded together, which makes it very difficult to separate them.

Substances such as pure chemical elements and elemental molecules consisting of multiple atoms of a single element (such as H2, S8, etc.) are not considered chemical compounds.

In simple terms, elements and compounds can react with each other to form new compounds through chemical reactions. Reactants are the substances present before the reaction, and products are the ...

Compounds are when those elements combine to make something new: Think table salt or even water. While we'd love it if garlic had its own spot on the periodic table, unfortunately, it doesn't ...

Because elemental mercury (mercury in its pure form) evaporates, it can move easily through the air, ending up far from where it was first released; this makes it a global concern. For example, 97% of ...

Remember that you will only find elements in the periodic table and never compounds. So, you won’t find substances like water or copper sulfate in the periodic table.