Polonium after Poland hope this helps.
It is a mixture of a variety of substances
Answer:
Every chemical equation follows to the law of conservation of mass, which states that matter cannot be created or destroyed. When you have an equal number of atoms of an element is present on both sides of a chemical equation, the equation is balanced therefore it is following the law of conservation of mass.
Explanation:
CaO ( calcium oxide) is a basic oxide.
