good morning! i believe have your answers :
1. when two or more elements combine to form a new substance, it is called a compound.
2. a compound is a substance that forms when two or more elements combine chemically. a compound always has the same elements in the same proportions. true
3. hydrogen and oxygen are more stable in compounds than by themselves. false
4. hydrogen and oxygen are more stable in compounds than by themselves. true
5. when atoms of different kinds combine to form a compound, a new substance is created. new compounds do not have the same physical or chemical traits of the original elements. false
- muffin
