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Postby ayushibanerjee06 » Thu Oct 31, 2019 8:00 pm

Can someone explain 2D.1?
Place the following elements in order of increasing electronegativity: antimony, tin, selenium, and indium.

I thought it was tin<antimony<tellurium<selenium

Qiu Ya Wu 4I
Posts: 107
Joined: Fri Sep 20, 2019 12:17 am

Re: 2D.1

Postby Qiu Ya Wu 4I » Thu Oct 31, 2019 8:08 pm

I believe you have mistakenly replaced indium with tellerium in your final answer. The correct answer is In<Sn<Sb<Se, which you should have arrived at based on your thought process if you didn't switch up the two elements

Baoying Li 1B
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Re: 2D.1

Postby Baoying Li 1B » Thu Oct 31, 2019 9:52 pm

Electronegativity increases as you go down to a group and decreases as you go across a period.

Posts: 90
Joined: Sat Sep 07, 2019 12:15 am

Re: 2D.1

Postby 005321227 » Thu Oct 31, 2019 10:20 pm

Electronegativity decreases down a group and across a period, so just look at the positions of the elements on the periodic table.

Sofia Barker 2C
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Re: 2D.1

Postby Sofia Barker 2C » Sun Nov 03, 2019 5:19 pm

The elements in order of increasing electronegativity are indium, tin, antimony, selenium because electronegativity increases up a group and as you move to the right of a period.

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