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Essay

Period 3 Elements

Essay specific features

 

Issue:

Science

 

Written by:

Yvonne B

 

Date added:

March 3, 2013

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 424

 

Was viewed:

8663 times

 

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Essay content:

As metals gain their reactivity by losing their electrons, the increased first ionisation energy across the period does not allow for this, and so metals are located at the start of the period where the first ionisation energy is lower. In addition, the higher electronegativity towards the end of the period corresponds with the non-metals, due to their increased ability to attract and gain electrons to complete their outer shell...
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In addition, the higher electronegativity towards the end of the period corresponds with the non-metals, due to their increased ability to attract and gain electrons to complete their outer shell. As you move across the period, the Period 3 elements' reactivities with water decreases. This is evident because the first element in period 3, sodium, reacts very violently with water; igniting vigorously to form a pink flame, whereas sulfur, which is located further along the period, merely demonstrated no visible reaction at all...
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