Yes it does with 8 valence electrons
The nickel noble gas configuration is [Ar]3d8.4s2.
The noble gas configuration for manganese is [Ar]4s23d5
The electronic configuration of Ga is 1s22s22p63s23p64s23104p1 Expressed as a noble gas configuration this is [Ar] 4s2, 3d10, 4p1
[Ar] 4s23d6
[Ar]3d54s1
The nickel noble gas configuration is [Ar]3d8.4s2.
The noble gas configuration for manganese is [Ar]4s23d5
[Ar]3d104s24p3
The Noble gas notation for Krypton can be written as [Kr] because it is a Noble gas or [Ar]4s2 3d10 4p6.
The electronic configuration of Ga is 1s22s22p63s23p64s23104p1 Expressed as a noble gas configuration this is [Ar] 4s2, 3d10, 4p1
[Ar]3d84s2
[Ar]3d54s1
[Ar]3d104s24p5
[Ar]3d104s24p1
[Ar]3d104s1
[Ar]3d54s1
[Ar]3d104s24p2