contestada

Which of the following correctly describes the number of protons and electrons in an atom?

The number of protons is higher than the number of electrons

The number of protons is equal to the number of neutrons

The number of electrons is higher than the number of protons

When protons are present electrons are absent

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Respuesta :

Kierstonw1
The number of protons equal to the number of electrons but to find the number of neutrons you need to subtract the mass number from the atomic number