Normally, when elements react they do so to attain a full outer shell, which is stable.
Helium already has a full outer shell and so does need to not react to attain one.
Under normal conditions Helium will not react with anything because it has a complete outer electron shell.
When a helium atom loses an electron, it forms a helium ion which is positively charged because it has one less electron than protons. This helium ion is written as He+.
How many atoms / electron clouds does helium have ?
There is none because there is no noble gas above Helium
When helium loses an electron, it becomes a positively charged helium ion (He+).
Under normal conditions Helium will not react with anything because it has a complete outer electron shell.
When a helium atom loses an electron, it forms a helium ion which is positively charged because it has one less electron than protons. This helium ion is written as He+.
Lithium ion (Li+) and beryllium ion (Be2+) have the same electron configuration as helium because they both have filled electron shells.
How many atoms / electron clouds does helium have ?
There is none because there is no noble gas above Helium
An element with a complete valence electron shell is a noble gas. Noble gases have a full outer electron shell, making them stable and non-reactive. Examples include helium, neon, and argon.
Because the valence electron shell is already filled.
When helium loses an electron, it becomes a positively charged helium ion (He+).
The electron configuration of helium is 1s2; two electrons on the first (and the single) electron shell.
helium is after haydrogen it means hygrogen is lighter than helium. now the question arises that "Q.1"why we use helium instead of hydrogen coz hydrogen is lighter than helium. Ans.1:hydrogen has 1 electron in its 1st shell and helium has it's complete shell with two electron. When we fill hydrogen in the baloon they form ionic bond... so it is used double...
The emission wavelengths for helium and hydrogen differ because they have different electron configurations. Helium emits light at specific wavelengths corresponding to its unique electron transitions, while hydrogen emits light at different wavelengths due to its own electron transitions.
Its outer electron shell is complete, with 2 electrons. Therefore it does not readily bond with other elements.