परमाणु

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Helium atom
Helium atom ground state.
An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution (black). The nucleus (upper right) in helium-4 is in reality spherically symmetric and closely resembles the electron cloud, although for more complicated nuclei this is not always the case. The black bar is one angstrom (Lua error in Module:Val at line 267: attempt to call local 'lookup' (a nil value). or Lua error in Module:Val at line 267: attempt to call local 'lookup' (a nil value).).
Classification
Smallest recognized division of a chemical element
Properties
Mass range: Lua error in Module:Val at line 267: attempt to call local 'lookup' (a nil value). to Lua error in Module:Val at line 267: attempt to call local 'lookup' (a nil value).
Electric charge: zero (neutral), or ion charge
Diameter range: 62 pm (He) to 520 pm (Cs) (data page)
Components: Electrons and a compact nucleus of protons and neutrons

परमाणु (Atom) कउनो तत्व के सबसे छोट भाग ह जेमें उ तत्व के रासायनिक गुण निहित होखेला।

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