According to paragraph 2, an atom’s atomic number is determined by A. The sum of its protons and electrons. B. The different in the mass of its neutrons and protons. C. The strength of th

14 29/09/2024

According to paragraph 2, an atom’s atomic number is determined by

A. The sum of its protons and electrons.

B. The different in the mass of its neutrons and protons.

C. The strength of the bond between its protons and neutrons

D. The total number of protons it has.

Trả lời

Theo đoạn 2, số nguyên tử của một nguyên tử được xác định bởi

A. Tổng các hạt proton và electron

B. Số lượng notron và proton khác nhau.

C. Sức mạnh kết hợp giữa các hạt proton và notron.

D. Tổng số proton mà nó có.

Dẫn chứng: Elements are defined by two numbers; their atomic number , which is equal to the number of protons they have,

=>Chọn D

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According to paragraph 2, an atom’s atomic number is determined by A. The sum of its protons and electrons. B. The different in the mass of its neutrons and protons. C. The strength of th

Trả lời

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