What is the bond order for He2?

1/2
The bond order of He2+ is 1/2. He2+ has 3 electrons.

What is the bond order of H2 and He2?

In H2 there are two electrons, and, following the building-up principle, they enter and fill the lower-energy bonding combination. Hence the electron configuration of the molecule is denoted 1σ2, and the stability of the molecule stems from the occupation of the bonding combination.

How many electrons are in the bonding molecular orbital of He2 +?

There are 6 sulfur valence electrons to accommodate and 6 × 1 = 6 fluorine electrons for a total of 12. The first 10 of these electrons occupy the net bonding orbitals; the remaining two occupy the lowest-energy antibonding orbital.

How do you find the bond order for he?

1 Answer

  1. Helium contains four electrons. Its electronic configuration is H2 Bond order = 1/2(nb – na)
  2. nb = number of bonding electrons.
  3. na = number of anti bonding electrons.
  4. 1/2(2-2) = 0.
  5. So, He2 does not exist.

Which is more stable He2 or He2+?

He2^+2 ion is more stable than He2 molecule.

Does He2 plus exist?

Hence, He cannot exist. The molecular orbital diagram is given below: He2+ contains 3 electrons. Out of these 3 electrons, 2 are present in the σ level and the remaining one is present in the σ* 1s level.

Is He2 diamagnetic or paramagnetic?

paramagnetic
Let it be H2- ,H2+ or He2+ ; there’s an unpaired electron i.e, they are paramagnetic.

Does He2 exist?

There is no bond existing between atoms of He2. So He2 does not exist.

How many electrons does He2+ have?

He2+ ion has 2 protons. Helium has 2 protons and 2 electrons, When it loses 2 electrons, it becomes Helium ion (also called alpha particle) or He2+.

Why is He2 molecule not formed?

Answer. He2 molecules are not formed because helium is already stable and its octet is complete. Hence it is an inert gas and it doesn’t react.