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Which statement is true about mass number?
It is always twice the atomic number
It is the sum of protons and neutrons in an atom
It is equal to the number of electrons in an atom
It is the total number of protons and electrons in an atom
It is the sum of protons and neutrons in an atom
Practice and solve "Which statement is true about mass number?..." for Basic Science and Engineering - Previous Year Paper 2025. The correct answer is Option B: It is the sum of protons and neutrons in an atom. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Which statement is true about mass number?..." for Basic Science and Engineering - Previous Year Paper 2025. The correct answer is Option B: It is the sum of protons and neutrons in an atom. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.