Question

Which statement describes a change that occurs during a chemical reaction? A. Atoms in the original substances are changed into different atoms to make new substances. B. Atoms in the original substances are arranged in a different way to make new substances. C. The atoms in a substance start to move faster until they are no longer touching each other. D. The atoms in a substance change their properties so they can become a new substance.

Answer 1

Answer:

B - Atoms in the original substances are arranged in a different way to make new substances

Explanation:

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Answer 2

Answer:

B. Atoms in the original substances are arranged in a different way to make new substances.

Explanation:

The best statement that describes a change that occurs in a chemical reaction is that atoms in the original substances are arranged in a different way to make new substances.

• Chemical reactions obey the law of conservation of matter.
• The law postulates that "matter is neither created nor destroyed in a chemical reaction but they are simply rearranged".
• Therefore, atoms  of compounds forms new bonds by rearranging to give a new product.