Which of the following statements holds true for a chemical change? In a chemical change, no new substance is formed. In a chemi
2 answers:
Answer: In a chemical change, the molecular structure of the substance changes.
Explanation:
Chemical change is the change in which chemical composition of the substance changes by rearrangement of atoms. The molecular structure changes due to change in atoms.
Example:
Physical change is a change in which only the physical properties such as size, shape etc change and there is no rearrangement of atoms.
Example: melting of ice
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A is the correct answer
groups are the vertical columns on the table. if you look at it, you can see that the atomic number and atomic mass increases as you go down.
groups are the vertical columns on the table. if you look at it, you can see that the atomic number and atomic mass increases as you go down.