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Question
Draw the structure of the following atoms showing the nucleus containing – protons, neutrons and the orbits with the respective electron:
Isotopes of hydrogen [11H, 21H, 31H]
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Solution
Structure of atoms:
\[\ce{^2_1H}\]
\[\ce{^3_1H}\]
Z is Atomic Number and A is the mass number
Isotopes of hydrogen \[\ce{^1_1H}\]
Z = 1 = p = e
∴ e = 1
A = p + n
1 = 1 + n
∴ n = 1 − 1 = 0
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