Nghĩa của từ valence electron bằng Tiếng Anh

electron in the outermost shell of an atom that participates in chemical bonding

Đặt câu với từ "valence electron"

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1. Chlorine has a high valence electron energy.

2. These have low average valence electron energies.

3. All right, well, oxygen has the highest valence electron energy.

4. And we do so by a quantity called the average valence electron energy.

5. The acceptor atoms are required to have one less valence electron than the semiconductor.

6. And, it says, OK, center the element with the lowest average valence electron energy.

7. And up in the other extreme are elements with very high average valence electron energy.

8. Place the non-bonding pairs on peripheral atoms first, which the higher average valence electron energy.

9. 0eV This is almost 20 eV, high average valence electron energy, greater than 13 electron volts.

10. Just to refresh our memories, we looked at the average valence electron energy as a measure of reactivity.

11. Its average valence electron energy is 2 electron volts, which is a heck of a lot less than

12. OK, elements with low average valence electron energy, and here I'm saying below 11 electron volts, these are good electron donors.

13. So then, I could say that the average valence electron energy for oxygen would then be, I've got two s electrons.

14. We have to account for that in some way because we know that they don't have identical average valence electron energies.

15. The first, an all-valence electron approach, is an iterative CNDO/2 which provides, through bond indices, self-consistent hybridizations and valency angles.

16. If you take a look at the last day, or the day before, you will see that we talked about average valence electron energy.

17. Cl We know that because the sulfur and the chlorine in the oxygen have different average valence electron energies, they'll have different electron affinities.

18. The formation mechanism of Al-based amorphous alloy was summarized and it has the characteristic of valence electron concentration and the principle of similarity.

19. On the basis of the principle, the OET (orbital-energy topological index) was proposed by revising the valence electron distance matrix with the orbital energy.

20. Caesium is a highly electropositive and alkaline element, and thus, more easily than other elements, it loses its single valence electron and forms ionic and electrovalent bonds with nearly all inorganic and organic anions

21. And the idea is that when you do these Lewis dot structures, we're representing electrons with dots, which we'll see in a minute,[http://Sentencedict.com] and each dot is going to represent a valence electron.