What can be known if only the atomic number of an atom is known?

An atom that contains 8 protons, 8 electrons, and 9 neutrons has

What is the total charge of the nucleus of a nitrogen atom

What is the total number of neutrons in the nucleus of a neutral atom that has 19 electrons and a mass number of 39?

An atom is electrically neutral because the

The number of neutrons in the nucleus of an atom can be determined by

What is the atomic number of an element that has 6 protons and 8 neutrons?

An atom of helium-4 differs from an atom of lithium-7 in that the atom of helium-4 has

The atomic number of any atom is equal to the number of

In which list are the elements arranged in order of increasing atomic mass?

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