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How Many Neutrons Does Sodium Have

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Acute neutron radiation exposure eg from a nuclear criticality accident converts some of the stable 23Na in human blood plasma to 24 Na. We know that sodium atoms have a total of eleven electrons. Pin By Michelle Mcneill On Challenge B Atom Model Project Atom Model Electron Configuration Sodium has how many protons and neutrons. . This tells us that sodium has 11 protons and because it is neutral it has 11 electrons. The free metal does not occur in nature and must be prepared from compounds. You might recognize this from its negative charge. Its only stable isotope is 23 Na. The number of neutrons can be found by subtraction of the atomic number from. From the periodic table we see that the atomic number of sodiumNa is 11. The element Sodium has an atomic number of 11 and an average atomic mass of 2298 which makes the mass number 23. Since this atom is neutral the positive protons must be equal to the neg...