Chemistry, 08.12.2020 21:10 nosleepbrooklyn2006
Which of the following occurs when substances undergo chemical changes?
1. Old atoms are destroyed and new atoms are formed
2. Bonds between atoms are broken and new bonds are formed.
3. Atoms change in size and shape to form new substances.
4. Atomes change from one element into another element.
Answers: 3
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Which of the following occurs when substances undergo chemical changes?
1. Old atoms are destroyed...
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