Practice - Mass Number (A)
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Practice Questions
Test your understanding with targeted questions
What is the mass number of an atom with 10 protons and 12 neutrons?
💡 Hint: Add the number of protons and neutrons together.
If an element has an atomic number of 6 and a mass number of 14, how many neutrons does it have?
💡 Hint: Use the formula: Mass Number - Atomic Number.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the mass number of Carbon-14?
💡 Hint: Remember the relationship between protons, neutrons, and mass number.
True or False: Isotopes have different atomic numbers.
💡 Hint: Recall the definition of isotopes.
1 more question available
Challenge Problems
Push your limits with advanced challenges
An atom has 20 protons and 25 neutrons. What is its mass number, and is it an isotope?
💡 Hint: Calculate the total and check if it compares with another element.
Research and present on a specific isotope's applications in medicine. What is its mass number and how does it help?
💡 Hint: Focus on the element and the applications surrounding isotopes.
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Reference links
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