Neon's electron configuration is 1s2 2s2 2p6
1s22s22p63s23p64s23d2
The element is krypton (Kr).
This element is cobalt.
Ar, argon.
aluminium
Fe (Z=26)
hydrogen
1s22s22p63s23p64s23d104p3
A property of that element. An unstable element. A radioactive element
Potassium is a chemical element.
[object Object]
Aluminium is an element . it is not compound or mixture.
An element in the activity series can replace any element below it on the list. The ability of an element to react is referred to as the element's activity.
Iron is in group 8, period 4 of the periodic table. Thus, its electron configuration is 1s2 2s2 2p6 3s2 3p6 3d6 4s2. Another way to write this is [Ar] 3d6 4s2 since the beginning of the electron configuration is the same as argon's.
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.
Sand is NOT an element. Iron IS an element.
Neon is an element.
Element
element