<em>good</em><em> </em><em>morning</em><em>!</em><em> </em><em>i</em><em> </em><em>believe</em><em> </em><em>have</em><em> </em><em>your</em><em> </em><em>answers</em><em> </em><em>:</em>
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. <em>true</em>
3. hydrogen and oxygen are more stable in compounds than by themselves. <em>false</em>
4. hydrogen and oxygen are more stable in compounds than by themselves. <em>true</em>
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. <em>false</em>
<em>-</em><em> </em><em>muffin</em>