Ni has 18 core electrons, corresponding to the element Argon, and28 - 18 = 10 valence electrons.The noble gas electron configuration for nickel is [Ar] 4s23d8.
The nickel noble gas configuration is [Ar]3d8.4s2.
[Ar]3d104s24p3
Zinc has this electron configuration.
The element is titanium and is in 4th period, group 4.
Ni has 18 core electrons, corresponding to the element Argon, and28 - 18 = 10 valence electrons.The noble gas electron configuration for nickel is [Ar] 4s23d8.
Nickel is [Ar]4s23d8 and so has 10 valence electrons. It is usually valence 2 though.
Ar is the symbol for the noble gas - argon.
No. If it is written Ar, it is the element Argon. If not, it may be the acronym for a longer-named compound, but it cannot be a chemical formula.
Ar
Br
No
No the Alkali metals are in the first Group. Argon is a Noble Gas (in group 18).
The electron configuration of cobalt is [Ar]3d7.4s2.
Argon Ar
Argon is an element and it is denoted by Ar.
Hydrogen