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प्रश्न
An atom can contain protons which have a positive charge (+) and electrons which have a negative charge (−). When an electron and a proton pair up, they become neutral (0) and cancel the charge at. Now determine the net charge:
7 protons and 6 electrons →
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उत्तर
7 protons and 6 electrons → (+7) + (−6)
= +1
= 1 proton ⊕
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