An element has an atomic number of 30. How many protons and electrons are in a neutral atom of the element?

Jan 2, 2017

There are 30 protons and 30 electrons.

Explanation:

The atomic number gives the number of positively charged protons in an atom or element.

The number of protons is always equal to the number of electrons in a neutral atom.

${30}^{+} + {30}^{-} = 0$

The positive charge on the proton is canceled by the negative charge on the electron leaving a neutral atom.