निम्नलिखित समस्यानिकों में प्रोटॉन, इलेक्ट्रॉन व न्यूट्रॉन की संख्या लिखें।
₁²H, ₈¹⁸O, ₉¹⁹F, ₂₀⁴⁰Ca
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H ,
proton = electron= 1
neutron =1
O,
proton = electron =8
neutron=10
F,
proton= electron =9
neutron=10
Ca,
proton=electron=20
neutron = 20
hope it's helps you ....
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