Question

The atomic number of an element is 13 find the number of protons neutron and electron ​

Answer 1

• Atomic number=No. of protons=No. of electrons in ground state(unchanged atom)
• Atomic number=13=No. of protons
• Atomic mass=no. of protons+no. of neutrons=13+14=27
• For isotope no. of proton=13(same atomic number but different mass number are isotopes)
• no. of electrons=13.
• no. of neutrons=14+2=16.

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Answer 2

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