[Ar]3d74s2
The noble gas configuration for Sr (strontium) is [Kr]5s2
The noble gas configuration for Sr (strontium) is [Kr]5s2
The electron configuration and noble gas core for Li+ is that of He: Li+: (1s2, 2s0)
There is no noble gas configuration for hydrogen.
Krypton is a noble gas and already has noble gas configuration.
The noble gas configuration for Sr (strontium) is [Kr]5s2
The noble gas configuration for Sr (strontium) is [Kr]5s2
Co is cobalt and is not a noble gas. Cobalt is a transition metal. Its electron configuration is [Ar]3d74s2.
The electron configuration and noble gas core for Li+ is that of He: Li+: (1s2, 2s0)
[He] 2s1
There is no noble gas configuration for hydrogen.
Krypton is a noble gas and already has noble gas configuration.
The noble gas configuration of strontium is [Kr]5s2.
The noble gas configuration for manganese is [Ar]4s23d5
The noble gas electron configuration of radon is [Xe]4f145d106s26p6.
Krypton is already a noble gas and hence need not gain noble gas configuration.
The "Noble gas electron configuration," or the condensed electron configuration, for F is [He] 2s2 3p5.