What are isotopes?

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Master the AAMC C/P Full-Length 3 Test with flashcards and multiple choice questions. Each question is designed with hints and explanations. Prepare extensively for your MCAT!

Multiple Choice

What are isotopes?

Explanation:
Isotopes refer to atoms of the same element that have the same number of protons but different numbers of neutrons. This variation in neutron count results in differences in atomic mass while maintaining the same chemical properties since the number of protons, which defines the element and its chemical behavior, remains unchanged. For example, carbon-12 and carbon-14 are both isotopes of carbon; they have 6 protons but differ in the number of neutrons (6 and 8, respectively). This definition captures the essence of isotopes accurately and underscores their role in fields such as chemistry and nuclear physics.

Isotopes refer to atoms of the same element that have the same number of protons but different numbers of neutrons. This variation in neutron count results in differences in atomic mass while maintaining the same chemical properties since the number of protons, which defines the element and its chemical behavior, remains unchanged. For example, carbon-12 and carbon-14 are both isotopes of carbon; they have 6 protons but differ in the number of neutrons (6 and 8, respectively). This definition captures the essence of isotopes accurately and underscores their role in fields such as chemistry and nuclear physics.

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