[Ar]3d54s1
[Ar]3d54s1
The electron configuration of the ion Cr(III)+ is 1s22s22p63s23p63d3
There is no noble gas configuration for hydrogen.
Krypton is a noble gas and already has noble gas configuration.
The noble gas configuration for manganese is [Ar]4s23d5
[Ar]3d54s1
The electron configuration of the ion Cr(III)+ is 1s22s22p63s23p63d3
[Ar]3d54s1
There is no noble gas configuration for hydrogen.
[Ar] 3d3Cr3+ has 18 core electrons, corresponding to the element Argon, and... 24 - 18 - 3 = 3 valence electrons.The noble gas electron configuration for chromium(III) ion is [Ar] 3d3.
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
Chromium is one of the "odd" elements when is comes to Noble gas configuration. Instead of being [Ar] 4s23d4, like many of us looking at a periodic table would think, which is WRONG, the actual configuration is: (ANSWER:) [Ar] 4s13d5
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.