How many protons and neutrons are in the nucleus of the following atoms? (d)

검증된 단계별 안내

Identify the element from the given atomic symbol or name.

Determine the atomic number (Z) of the element, which represents the number of protons in the nucleus.

Find the mass number (A) of the element, which is the sum of protons and neutrons in the nucleus.

Calculate the number of neutrons by subtracting the atomic number from the mass number: Neutrons = A - Z.

Verify your calculations by checking the periodic table or other reliable sources for the element's atomic number and mass number.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Atomic Structure

Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons in orbitals. The number of protons defines the element and its atomic number, while neutrons contribute to the atomic mass. Understanding atomic structure is essential for determining the composition of an atom's nucleus.

Protons and Neutrons

Protons are positively charged particles found in the nucleus, and their number determines the element's identity. Neutrons are neutral particles that also reside in the nucleus and contribute to the atomic mass. The combination of protons and neutrons gives the nucleus its stability and mass.

Isotopes

Isotopes are variants of the same element that have the same number of protons but different numbers of neutrons. This difference in neutron count affects the atomic mass and stability of the atom. Understanding isotopes is crucial for answering questions about the number of neutrons in an atom's nucleus.