2. An atom consists of 21 protons 22 neutrons and a number of electrons which
information will be MOST helpful in determining the atom's identity
The number of protons and neutrons
The number of protons
The number of electrons
The number of valence electrons
CUERALL
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2. An atom consists of 21 protons 22 neutrons and a number of electrons which
information will be M...
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