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

MCQ

Type

practice

Style

Topic

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

Question

The mass number is calculated by adding the number of protons (6) and neutrons (8), resulting in a mass number of 14.

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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