WJEC Chemistry Practice Exam 2025 – Complete Study Resource

Question: 1 / 400

What are the charges of protons, neutrons, and electrons, respectively?

Positive, positive, negative

Negative, neutral, positive

Positive, neutral, negative

The correct answer identifies the charges of protons, neutrons, and electrons accurately. Protons carry a positive charge, which is fundamental to their role in determining the atomic number of an element and their interaction with electrons. Neutrons, on the other hand, are electrically neutral; they have no charge and therefore do not affect the overall charge of an atom, though they do contribute to its mass. Electrons possess a negative charge, which is crucial in chemical bonding and interactions as they engage in the formation of chemical bonds.

Understanding these charges is essential for grasping concepts in chemistry, such as the behavior of atoms in reactions and the nature of electrical charge in various chemical processes.

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Neutral, negative, positive

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