Ionization energy is the energy required to remove an electron from an atom or ion. The ionization energies increase as you remove more electrons, because the positive charge of the nucleus has a stronger hold on the remaining electrons.

1. Ba2+ ---- Ba3+ + e-: This is likely to occur. After losing two electrons, Barium can lose a third one, although it would require a lot of energy.

2. Ba ---- Ba+ + e-: This is likely to occur. This is the first ionization energy of Barium, which is the energy required to remove the first electron.

3. Ba + e- --- Ba-: This is NOT likely to occur. Atoms typically do not gain electrons to become negatively charged because it requires energy to add an electron to an atom. Barium, being a metal, is more likely to lose electrons than gain them.

4. Ba+ --- Ba2+ + e-: This is likely to occur. This is the second ionization energy of Barium, which is the energy required to remove the second electron after the first one has been removed.

So, the ionization energy that is not likely to occur for an atom of Barium is Ba + e- --- Ba-.

Question

Ionization energy is the energy required to remove an electron from an atom or ion. The ionization energies increase as you remove more electrons, because the positive charge of the nucleus has a stronger hold on the remaining electrons.

1. Ba2+ ----> Ba3+ + e-: This is likely to occur. After losing two electrons, Barium can lose a third one, although it would require a lot of energy.

2. Ba ----> Ba+ + e-: This is likely to occur. This is the first ionization energy of Barium, which is the energy required to remove the first electron.

3. Ba + e- ---> Ba-: This is NOT likely to occur. Atoms typically do not gain electrons to become negatively charged because it requires energy to add an electron to an atom. Barium, being a metal, is more likely to lose electrons than gain them.

4. Ba+ ---> Ba2+ + e-: This is likely to occur. This is the second ionization energy of Barium, which is the energy required to remove the second electron after the first one has been removed.

So, the ionization energy that is not likely to occur for an atom of Barium is Ba + e- ---> Ba-.

Knowee AI · Accepted Answer

Ionization energy is the energy required to remove an electron from an atom or ion. The ionization energies increase as you remove more electrons, because the positive charge of the nucleus has a stronger hold on the remaining electrons.

1. Ba2+ ----> Ba3+ + e-: This is likely to occur. After losing two electrons, Barium can lose a third one, although it would require a lot of energy.

2. Ba ----> Ba+ + e-: This is likely to occur. This is the first ionization energy of Barium, which is the energy required to remove the first electron.

3. Ba + e- ---> Ba-: This is NOT likely to occur. Atoms typically do not gain electrons to become negatively charged because it requires energy to add an electron to an atom. Barium, being a metal, is more likely to lose electrons than gain them.

4. Ba+ ---> Ba2+ + e-: This is likely to occur. This is the second ionization energy of Barium, which is the energy required to remove the second electron after the first one has been removed.

So, the ionization energy that is not likely to occur for an atom of Barium is Ba + e- ---> Ba-.

12. Which of the following ionization energies of an atom of Barium is NOT likely to occur? Check all that apply. 1 pointBa2+ ----> Ba3+ + e-Ba ----> Ba+ + e-Ba + e- ---> Ba-Ba+ ---> Ba2+ + e-

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