Which Element Has These Successive Ionization Energies in Period 3?

In summary, ionization energy is the amount of energy required to remove an electron from an atom or molecule. In period 3, ionization energy is higher than in previous periods due to the increased number of protons and smaller atomic radius. The increase in ionization energy across period 3 is due to the increasing number of protons in the nucleus, making it more difficult to remove an electron. However, within a period 3 group, ionization energy generally decreases as you move down the group due to the outermost electrons being farther from the nucleus. The shielding effect, which decreases the effective nuclear charge experienced by the outermost electrons, also contributes to this trend.
  • #1
Kelly09
14
0
i am stuck on this question and people are giving me different answers. Ok which period 3 element has the following succesive ionization energies: 1800,3000,3600,5800,13200
 
Chemistry news on Phys.org
  • #2
Just look up the ionization energies of all of the period three elements... there's only 8...

I would guess Silicon, because of the large gap between fourth and fifth energies...
 
  • #3
thankyou
 

1. What is ionization energy?

Ionization energy is the amount of energy required to remove an electron from an atom or molecule, resulting in the formation of a positively charged ion.

2. How is period 3 ionization energy different from other periods?

Period 3 ionization energy is higher than the previous two periods due to the increased number of protons in the nucleus and the smaller atomic radius. This makes it more difficult to remove an electron from the outermost energy level.

3. Why does ionization energy generally increase across period 3?

The increase in ionization energy across period 3 is due to the increasing number of protons in the nucleus, which leads to a stronger attraction between the nucleus and the electrons in the outermost energy level. This makes it more difficult to remove an electron and increases the ionization energy.

4. What is the trend of ionization energy within a period 3 group?

The trend of ionization energy within a period 3 group is that it generally decreases as you move down the group. This is because the outermost electrons are farther from the nucleus, making them easier to remove.

5. How does the shielding effect affect period 3 ionization energy?

The shielding effect, which is the repulsion between electrons in different energy levels, decreases the effective nuclear charge experienced by the outermost electrons. This results in a decrease in ionization energy as you move down the group in period 3.

Similar threads

Replies
6
Views
2K
Replies
6
Views
4K
  • Chemistry
Replies
2
Views
2K
Replies
6
Views
1K
  • Biology and Chemistry Homework Help
Replies
2
Views
1K
Replies
0
Views
194
  • Astronomy and Astrophysics
2
Replies
49
Views
2K
  • Introductory Physics Homework Help
Replies
1
Views
841
Replies
1
Views
9K
Back
Top