Question detail
If an atom has 6 protons and 8 neutrons, what is its mass number?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Question
If an atom has 6 protons and 8 neutrons, what is its mass number?
Answer
The mass number of the atom is 14, calculated by adding the number of protons (6) and neutrons (8).
Explanation
This answer is strong as it demonstrates the application of the definition of mass number through calculation. The question tests the student's ability to apply their knowledge of atomic structure to determine mass number.
Common mistake
Confusing Mass Number with Atomic Number
Students often confuse mass number with atomic number, thinking they are the same.
Remember that mass number is the total of protons and neutrons, while atomic number is just the number of protons.
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