The total number of protons and neutrons in the nucleus of an atom is its

Which subatomic particle balances the charge in the nucleus?

Isotopes are atoms of the same element that have different

All atoms of the same element have the same

Chlorine has atomic number 17 and mass number 35. It has

The atomic number of oxygen, 8, indicates that there are eight

Phosphorus-33 (atomic number 15) contains

An element has an atomic number of 76. The number of protons and electrons in a neutral atom of the element are ____.

What does the number 84 in the name krypton-84 represent?

What contributes to the mass of the atom?

A positive ion forms when a neutral atom

The O^-2 means that a neutral atom of oxygen

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