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When an atom of hydrogen and an atom of chlorine combine to form a molecule of hydrogen chloride, a

Chemistry Regent Exam August 2022


12. When an atom of hydrogen and an atom of chlorine combine to form a molecule of hydrogen chloride, a bond is (1) formed as energy is absorbed

(2) formed as energy is released

(3) broken as energy is absorbed

(4) broken as energy is released


Explanation: When two atoms combine, a bond must form between them. Forming a bond releases energy.


Answer: 2


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