The first five ionization energies \((IE_1 \text{ through } IE_5)\) of a Period 3 element have the following pattern:There is a bar graph showing the ionization energies in kJ/mol. The x-axis is labeled with the ionization energy levels: \(IE_1\), \(IE_2\), \(IE_3\), \(IE_4\), and \(IE_5\). The y-axis is labeled in kJ/mol.- \(IE_1\) and \(IE_2\) have relatively low values.- \(IE_3\) shows a slight increase.- \(IE_4\) and \(IE_5\) are significantly higher, with similar values.Make a reasonable guess about which element this is. Enter its chemical symbol below.[Text box for input] (Buttons: Check and Reset)

Ionization energy is the energy required to remove an electron from the valence shell of an atom. The more tightly the electrons are held by the nucleus, the more difficult to remove that electron, and the more the ionization energy. The first ionization energy is less than the second ionization energy which is less than the third ionization energy and so on. From the given graph, it is clear that IE1, IE2, and IE3 are quite similar and IE4 and IE5 are quite similar. There is a significant change in ionization energy between IE3 and IE4 levels. This suggests that after removing three electrons, the element attains a stable configuration. That is why until IE3 the ionization energy is low. For IE4, we are removing an electron from a stable configuration. That is why IE4 is very high. From the above discussion, it is clear that the given element will attain a stable configuration after removing three electrons. That is, the valency is 3 or the element is a group 3 element. The group 3 element in the third period is aluminum. The chemical symbol for aluminum is Al. The element is aluminum. The chemical symbol for aluminum is Al.

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The first five ionization energies (IE, through IE5) of a Period 3 element have the following pattern: kJ/mol ا.... IE₁ IE2 IE3 IE4 IE5 Make a reasonable guess about which element this is. Enter its chemical symbol below.

The first five ionization energies (IE, through IE5) of a Period 3 element have the following pattern: kJ/mol ا.... IE₁ IE2 IE3 IE4 IE5 Make a reasonable guess about which element this is. Enter its chemical symbol below.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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