Chemistry
Name an element that has two shells, each filled completely with electrons. State its position in the periodic table.
Related Questions
Cl35 and Cl37 are two different atoms. Where would they be placed in the periodic table.
An element X has 3 electrons in its M shell. State its position in the periodic table? Name the element.
Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common.
In which part of a group would you separately expect the elements to have
(a) the greatest metallic character?
(b) the largest atomic size.