Define atomic number
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Atomic number, the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus. Accordingly, the number of protons, which is always equal to the number of electrons in the neutral atom, is also the atomic number.
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atomic number
⭐⭐⭐⭐⭐⭐
the number of protons that a chemical element has in its centre (nucleus)
किसी रसायनिक तत्व के नाभि (केंद्र) में स्थित, घनात्मक विद्युत आवेश वाले प्रोटोनों की संख्या; परमाणु संख्या
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