This element is bromine (Br).
Nothing, there is no 2d orbital. There can only be an s-orbital and a p-orbital, and there is no d-orbital until the principle quantum number, or "n" equals three, where you can have a 3d orbital. There is no 2d orbital.
The element is "Sb"
[Ge]-Germanium
This chemical element is rubidium.
Non-ionic strotium
I believe that is a non-ionic strontium
Silver
Rb
Selenium with 6-Valence electrons
It is an element.
Element
Metal is not an element. It is a term used to classify an element, but it is not an element.
A property of that element. An unstable element. A radioactive element
element. Sulfur dioxide (SO2) is a compound
There is no such thing as a good element or a bad element.
Hydrogen is an element Lead is and element.