4 What is the general trend in first ionisationenergies across Period 3?4aExplain why aluminium has a lower firstionisation energy than magnesium.Explain why sulfur has a lower first ionisationenergy than phosphorus.Look at Period 4 in the Periodic Table(Appendix 1)..The first ionisation energies of the p-blockelements are given in the table below.Predict the missing value for the first ionisationenergy of selenium.dbasp-block elementof Period 4AtomicFirst ionisationnumberenergy/ kJ mol-1gallium (Ga)31577germanium (Ge)32762arsenic (As)33966selenium (Se)34bromine (Br)351140361350krypton (Kr)Table 10.7: Information table for Question 4.

a. Ionization energy increases as a general trend across the left to right of period 3.

Answered: a why alumi W

Science

Chemistry

a why alumi W

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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