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- Explain why boron (B) has a higher ionization energy than fluorine (F).
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- Explain why the first innization energy of Ca is greater than that of K, whereas the second ionization energy of Ca is lower than the second ionization energy of K.What is the ground state valence shell electron configuration of a group 4A element(a) Briefly describe how the atomic radii and ionization energies of group 1A(1) elements compared with those of group 8A(18). Also, explain why the values of these properties are so different between these two groups. 2.
- Why fluorin has low electron affinity as compared to chlorine?What causes the changes in ionisation energy across period 2 elements?1. Which halogen has the highest ionization energy? Explain why. 2. Explain why, at room temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine is a solid.
- In contrast to sodium, why would calcium, with two electrons in the outer shell, react with two chlorine atoms?All of the following statements concerning the characteristics of the halogens are true except which: a) The first ionization energies decrease as the atomic numbers of the halogens increase. b) Fluorine is the best oxidizing agent. c) Fluorine atoms have the smallest radii. d) Iodine liberates free bromine from a solution of bromide ion. e) Fluorine is the most electronegative of the halogens.Would you expect manganese(II) oxide, MnO, to react morereadily with HCl(aq) or NaOH(aq)?