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The element that has a higher electronegativity but lower ionization energy than chlorine?

-if anyone could find this answer or offer any help I'd be much obliged. I need to find a compound with this element as well. If anyone could post where they got this from I'd be so happy.

2007-01-07 09:22:57 · 4 answers · asked by Jenii Neko 1 in Science & Mathematics Chemistry

electronegativity: 3.16
1st ionization energy: 1251.1 kJ/mole
2nd ionization energy: 2297.3 kJ/mole
3rd ionization energy: 3821.8 kJ/mole

2007-01-07 09:28:10 · update #1

It must exist though because it's for a chemistry scavengar hunt. I looked around and couldn't find anything myself.

That's why I was hoping that somebody else mgith know something.

2007-01-07 09:38:36 · update #2

4 answers

David is right. If electronegativity is how much an element wants electrons, and ionization energy is how hard it is to get one off of it, how would an element that wants electrons more be easier to take them away from.

2007-01-07 09:34:59 · answer #1 · answered by cowsvils 3 · 1 0

If you look down the halogen group, group 7 on the periodic table, Chlorine is the second element in that group. Also as you look down that group, you will see that the electronegativity increases and the ionization energy decreases. So you can pick from Bromine or Iodine. Those are the two I would consider.

For a compound with this element , try HBr or HI , both acids like HCl. Their strengths decrease from HI - HBr - HCl. For a reference, check the periodic table, a detailed one.

Oh my, I just realized that I was looking at the heat of vaporization instead of the electronegativity. Sorry can't help out. Hope you like the compounds

2007-01-07 09:43:59 · answer #2 · answered by beautifulinsideandoutinjc 2 · 0 1

I don't think such an element exists. Those two contradict each other. Only fluorine and oxygen have a higher electronegativity but their ionization energies are higher than that of chlorine.

2007-01-07 09:31:17 · answer #3 · answered by Anonymous · 0 0

fluorine the smallest atom. there's a particle names as god's particle it is the largest particle. on the periodic table it's cesium fluorine is the most electronegative compound. highest ionization enthalpy sodium depends on the distance between the nucleus and the revolving electrons. lowest IP sodium.

2016-05-23 04:33:58 · answer #4 · answered by ? 4 · 0 0

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