There is actually 37 Protons in Rb (Rubidium). Also there is the same number of protons as electrons. So 37 for protons and electrons. (: Your welcome little kid.
The number of protons in an atom's nucleus determines its chemical identity.
Protons are subatomic particles that determine the atomic number of an element. The number of protons in an atom's nucleus is what defines its atomic number; this uniquely identifies each element on the periodic table.
The atomic number is equivalent to the number of protons or electrons (in the neutral state of an atom).
The number of protons is the atomic number.
The number of protons is equal to the atomic number of a chemical element. In a neutral atom number of protons=number of electrons.
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Protons are represented by the atomic number of an element. The number of protons is also the number of electrons. The number of protons is also represented in re Atomic Mass, which is the number of protons and the number of neutrons combined.
The number of protons.
Number of protons
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The number of protons in an atom's nucleus determines its chemical identity.
The number of protons is identical to the number of electrons when an atom is in a neutral state.
The atomic number is equal to the number of protons in the nucleus and in a neutral atom will also equal the number of electrons.
atomic number is the number of protons