1. PERIODIC TRENDS ZUMDAHL, 7 TH ED. AP PRACTICE PROBLEMS

2. QUESTION ONE Arrange the following groups of atoms in order of increasing size. a)Te, S, Se b)K, Br, Ni c)Ba, Si, F Arrange the atoms in order of increasing first ionization energy.

3. QUESTION TWO Arrange the following groups of atoms in order of increasing size. a)Rb, Na, Be b)Sr, Se, Ni c)Ba, Si, F Arrange the atoms in order of increasing first ionization energy.

4. QUESTION THREE In each of the following sets, which atom or ion has the smallest radius? a)H, He b)Cl, In, Se c)Element 120, element 119, element 117 d)Nb, Zn, Si e)Na-, Na, Na+

5. QUESTION FOUR In each of the following sets, which atom or ion has the smallest ionization energy? a)Ca, Sr, Ba b)K, Mn, Ga c)N, O, F d)S 2-, S, S 2+ e)Cs, Ge, Ar

6. QUESTION FIVE Predict some of the properties of element 117. a)What will be its electron configuration? b)What element will it most resemble chemically? c)What charge would you expect the element to form?

7. QUESTION SIX Predict the trend in radius for the following ions: Be 2+, Mg 2+, Ca 2+, and Sr 2+.

8. QUESTION SEVEN Consider atoms with the following electron configurations: a)1s 2 2s 2 2p 6 b)1s 2 2s 2 2p 6 3s 1 c)1s 2 2s 2 2p 6 3s 2 Which atom has the largest first ionization energy, and which one has the smallest second ionization energy? Explain your choices.