객관식
Which of the following best describes a nonpolar covalent bond?
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11. Bonding & Molecular Structure
Chemical Bonds
객관식
Which of the following statements is correct regarding the energy changes involved in chemical bond formation?
A
When a bond is formed, energy may be released or absorbed, depending on the situation.
B
Forming a bond may involve different energy considerations.
C
Energy is always released when a bond is formed.
D
Energy is always absorbed when a bond is formed.
검증된 단계별 안내1
Understand the concept of bond formation: In chemistry, when a chemical bond is formed between atoms, it typically results in a more stable arrangement of electrons. This stability is associated with a release of energy.
Consider the energy changes: When a bond is formed, the system moves to a lower energy state. This means that energy is released to the surroundings, making the process exothermic.
Differentiate between bond formation and bond breaking: Bond formation releases energy, while breaking a bond requires energy input. This is a fundamental concept in thermodynamics and chemical reactions.
Evaluate the given statements: The statement 'Energy is always released when a bond is formed' aligns with the general principle that bond formation is exothermic.
Conclude with the correct understanding: Based on the principles of chemical bonding and energy changes, the correct statement is that energy is always released when a bond is formed.
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