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Electrons in Atoms

net charge, atomic number, chemical element, number of protons, positive charge

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An atom consists of neutrons and protons packed into a dense nucleus with electrons orbiting around the nucleus. The neutrons have no electrical charge, while each proton carries a positive charge that is equal and opposite to the negative charge of the electron. Each chemical element is defined by the number of protons in the nucleus of its atoms; this number is the elementís atomic number. The electrons are equal in number to the protons in the atom, balancing the electrical charge of the nucleus. In other words, the atomís net charge is zero, and the atom is said to be neutral.



Article key phrases:

net charge, atomic number, chemical element, number of protons, positive charge, electrical charge, neutrons, negative charge, atoms, electrons, opposite, words

 
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