A single oxygen atom has eight protons, eight neutrons and eight electrons. The number of protons and electrons of an element are equal to its atomic number, which is eight for oxygen. The number of neutrons can be calcu... More »

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The element sodium has 12 neutrons, 11 electrons and 11 protons. The number of electrons and protons come from the element's atomic number, which is also 11. The number of neutrons can be found by subtracting the atomic ... More »

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The chemical element chlorine has 17 electrons, 17 protons and 18 neutrons. An atom, which is the fundamental unit of an element, contains an equal number of electrons and protons. The number of neutrons is calculated by... More »

Vanadium has 23 electrons, 23 protons and 28 neutrons. This metal has the chemical symbol V and belongs to group number 5, and has the atomic weight of 50.9415 grams per mole. The name for this element comes from the Sca... More »

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Oxygen has 8 neutrons, 8 electrons and 8 protons, making it a neutral element. Neutral elements have the same number of neutrons and protons. Oxygen is the eighth element in the periodic table of elements, with an atomic... More »

Oxygen is the gas that has eight protons and eight neutrons. Oxygen also has eight electrons and an atomic number of eight. The melting point of the element is -218.79 degrees Celsius, and the boiling point is -182.95 de... More »

The stability of an isotope is determined by the ratio of protons in its nucleus to the neutrons present. For light elements, the ideal ratio is 1:1, though elements heavier than 20 require more neutrons to prevent decay... More »

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