"Mass number" ke revisions ke biich ke antar

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(Created page with "Atom ke wajan jaada kar ke proton aur neutron se banaa rahe hae. {{sci-stub}} Category:Chemistry af:Massagetal ar:عدد الكتلة [[bn:আণবি...")
 
[[vec:Nùmaro de masa]]
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[[zh:質量數]]
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