Easy
What is the difference between the ground state and the excited state of a hydrogen atom?
(N/A) In the ground state of a hydrogen atom,the electron resides in the $1s$ orbital,which is the state of minimum energy and maximum stability.
In the excited state of a hydrogen atom,the electron occupies any orbital other than $1s$,such as $2s, 2p, 3s, 3p, \dots$ orbitals.
These excited states are unstable and the electron tends to return to the ground state by emitting energy.
In the excited state of a hydrogen atom,the electron occupies any orbital other than $1s$,such as $2s, 2p, 3s, 3p, \dots$ orbitals.
These excited states are unstable and the electron tends to return to the ground state by emitting energy.
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$A$ filled or half-filled set of $p$ or $d$-orbitals is spherically symmetric. Point out the species which has spherical symmetry.
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View SolutionGiven below are the quantum numbers for $4$ electrons.
$A. \; n = 3, l = 2, m_l = 1, m_s = +1/2$
$B. \; n = 4, l = 1, m_l = 0, m_s = +1/2$
$C. \; n = 4, l = 2, m_l = -2, m_s = -1/2$
$D. \; n = 3, l = 1, m_l = -1, m_s = +1/2$
The correct order of increasing energy is
$A. \; n = 3, l = 2, m_l = 1, m_s = +1/2$
$B. \; n = 4, l = 1, m_l = 0, m_s = +1/2$
$C. \; n = 4, l = 2, m_l = -2, m_s = -1/2$
$D. \; n = 3, l = 1, m_l = -1, m_s = +1/2$
The correct order of increasing energy is
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