Interpretation:
The graph of ionization energy versus
Concept Introduction:
The energy that is needed to eliminate an electron from the isolated, neutral gaseous atom is known as ionization energy. It is represented by
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Chapter 8 Solutions
Chemistry: Principles and Practice
- Does the information on alkali metals in Table 2-8 of the text confirm the general periodic trends in ionization energy and atomic radius? Explain.arrow_forwardCompare the elements Na, Mg, O, and P. (a) Which has the largest atomic radius? (b) Which has the most negative electron attachment enthalpy? (c) Place the elements in order of increasing ionization energy.arrow_forwardCompare the elements B. Al, C, and Si. (a) Which has the most metallic character? (b) Which has the largest atomic radius? (c) Which has the most negative electron attachment enthalpy? (d) Place the three elements B, Al, and C in order of increasing first ionization energy.arrow_forward
- Using your knowledge of the trends in element sizes on going across the periodic table, explain briefly why the density of the elements increases from K through V.arrow_forwardCompare the elements B, Al, C, Si. (a) Which has the most metallic character? (b) Which has the largest atomic radius? (c) Arrange the three elements B, Al, and C in order of increasing first ionization energy.arrow_forward6.84 Which graph correctly depicts the first ionization energy of three elements in groups 14 (dashed line) and 17 (solid line)? Explain the reasoning you used to make your choice.arrow_forward
- Answer the following questions about first ionization energies. (a) Generally ionization energies increase on proceeding across a period, but this is not true for magnesium (738 kJ/mol) and aluminium (578 kJ/mol). Explain this observation. (b) Explain why the ionization energy of phosphorus (1012 kJ/mol) is greater than that of sulphur (1000 kJ/mol) when the general trend in ionization energies in a period would predict the opposite.arrow_forwardWhich main group atom would be expected to have the lowest second ionization energy?arrow_forward
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