3 years ago

An element has an atomic number of 78. the number of protons and electrons in a neutral atom of the element would be _____.

Chemistry

1 answer:

Maurinko [17]3 years ago

5 0

78 and 78. An atom of the element has 78 electrons and 78 protons.

The atomic number is 78, so the atom has 78 protons (+).

If the atom is neutral, it must contain 78 electrons (-).

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