In the diagram given below, structure of atom is depicted, where we are able to see orbits and electrons. How many neutrons and protons are present in the nucleus?

19 protons and 20 neutrons

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19 neutrons and 20 protons

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20 electrons and 19 protons

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20 protons and 20 neutrons

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Solution

The correct option is D
20 protons and 20 neutrons

The atomic structure given in the question is of calcium. The electronic configuration is 2,8,8,2. So it has 20 protons and 20 neutrons (mass number is 40).

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In the diagram given below, structure of atom is depicted, where we are able to see orbits and electrons. How many neutrons and protons are present in the nucleus?

The correct option is D 20 protons and 20 neutrons The atomic structure given in the question is of calcium. The electronic configuration is 2,8,8,2. So it has 20 protons and 20 neutrons (mass number is 40).

The correct option is D
20 protons and 20 neutrons

The atomic structure given in the question is of calcium. The electronic configuration is 2,8,8,2. So it has 20 protons and 20 neutrons (mass number is 40).