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www.reference.com/article/charges-protons-neutrons-electrons-77a5919012729443

Atoms have positive protons, no charge neutrons and negative electrons. The positive and the negative describes the charge of the atom.

www.reference.com/science/discovered-protons-electrons-neutrons-9874fd87055357be

The discoveries of electrons, protons and neutrons were made by J. J. Thomson, Ernest Rutherford and James Chadwick respectively. They were staggered over a period of 35 years.

www.reference.com/article/many-protons-neutrons-electrons-oxygen-e90b31e6aa4de315

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 calculated by subtracting the number of protons from th...

www.reference.com/article/many-protons-neutrons-electrons-iron-468c62eccffa36a3

Iron has 26 protons, 26 electrons and 30 neutrons. Iron has the atomic number of 26 and the atomic symbol Fe.

www.reference.com/article/protons-neutrons-electrons-ion-83f1db79c13b278f

The protons, neutrons and electrons present in an ion are determined from a periodic table. The atomic number represents the protons in an element. The atomic mass minus the atomic number represents the neutrons. In a neutral atom, the electrons are equal to the protons...

www.reference.com/article/many-protons-neutrons-electrons-sodium-aaf54c880fb232a4

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 number from sodium's atomic mass of 23.

www.reference.com/science/many-protons-neutrons-electrons-nitrogen-atom-4496ad00a58a0f8a

One neutral atom of nitrogen has seven protons, seven neutrons and seven electrons. This element is found in group 15 and period 2 of the Periodic Table of the Elements. It has an atomic weight of 14.007 amu.