A "reagent" or "reactant".
an element
A substance that only contains one kind of atom is called an element.
You call a substance with only one type of atom, an element.
it is unstable and decays to another element
A substance made up of only one kind of atom is an element.
I suppose that you think to a reactant.
A compound.
A substance that is made up of only one atom is called a pure substance. A pure substance is also called an element on the Periodic Table.
a compound is what i thank to i learned that in 5th grade.
The substance that reacts chemically with another to produce heat is called a "reactant."
answer TRANSMUTATION
energy is react by motion of flow,but when it in the marine environment there is a combination,you have water current and wind current also the reaction of temperture react with the element created what is call the ununified point of energy,this is call the reversing energy, El nino.