1)Arrange these ions in order of increasing ionic radius: K+ , P3– , S2– , Cl– .

ID: 904552 • Letter: 1

Question

1)Arrange these ions in order of increasing ionic radius: K+ , P3– , S2– , Cl– . Increasing radius --- >

2)Which of the following elements has the largest first ionization energy? Na , Cl , Ca , Te , Br (explain)

3)Which of the following elements has the smallest first ionization energy? Rb, Mg, I, As, F (explain)

4)Select the element with the most negative electron affinity (i.e., accepts an electron most readily). H, Li, C, F, Ne

5)Which of these elements has the greatest metallic character? Br, F, Ge, Mn, Sc

6)Which of these species make an isoelectronic pair: Cl– , O2– , F, Ca2+, Fe3+?

7)Consider the set of isoelectronic atoms and ions A2- , B- , C, D+ , and E2+. Which arrangement of relative radii is correct?

8)The electron configuration of a cobalt(III) ion is ____________.

1)Arrange these ions in order of increasing ionic radius: K+ , P3– , S2– , Cl– .

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