In an atom \( { }_{13} \mathrm{Al}^{27} \), number of protons is(a)...

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In an atom \( { }_{13} \mathrm{Al}^{27} \), number of protons is(a) electron is
\( \mathrm{P} \)
(b) and neutron is (c).
W
Hence ratio will be \{in order c : b : a \}
(1) \( 13: 14: 13 \)
(2) \( 13: 13: 14 \)
(3) \( 14: 13: 13 \)
(4) \( 14: 13: 14 \)
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