Two or more elements react
now to improve the above answer when two or more elements (doesnt matter if they ere isotopes or not) come together that is when a compound is made . Compounds could be broken down but elemants can NOT,
The bonding of two or more elements.
The compound formed is a polypeptide.
Water
A compound is formed when two or more elements bond together.
Compounds
A compound (a molecule) is formed.
A compound
The antibacterial compound is formed in the Schweitzer's test.
covalent compound is formed by the sharing of electrons whereas ionic compound is formed by the transfer of electrons.
The compound formed is a polypeptide.
The compound formed is called a polymer. The phenomenon is polymerization.
The substance formed by the chemical combination of two or more elements is a compound.
An ionic compound
A covalent compound.
Sodium selenide is a compound formed between sodium and selenium.
There are ionic compounds which is a compound formed by a positive metal ion and a negative nonmetal ion. And there are convalent compounds which is a compound formed in which atoms share electrons.
When only potassium and oxygen, the compound usually formed has the formula K2O. Under certain conditions, a compound with formula K2O2 can also be formed.
a compound a compound